SEOUL, South Korea — Ever since Kim Jong-un, the North Korean leader, began his diplomatic outreach this spring, meeting the presidents of China and South Korea, North Korea has used it to glorify him as a pioneering peacemaker.

But for propaganda purposes, nothing beats a meeting with the president of the United States.

A documentary film released by North Korea makes the most of this week’s Singapore summit meeting between Mr. Kim and President Trump, which was the first-ever meeting between the leaders of two nations that have been sworn enemies for seven decades.

Though it portrayed Mr. Trump in a positive light, the film made clear that Mr. Kim was the main attraction at what it called “the meeting of the century.”

“Numerous heads of state have visited Singapore, but there have never been in its history so many people crowding its streets welcoming a visitor than this time,” Korean Central Television, the North Korean state broadcaster, said in the 42-minute film, which showed pedestrians waving and taking smartphone pictures of Mr. Kim’s motorcade.