The phrase is a highly specific search string typically associated with clickbait links, unauthorized video re-uploads, or spam hidden networks on third-party video aggregation websites.
“I hated the original ending. The 125-minute version fixed everything. Now I can’t imagine watching the shorter one.” – User review (5 stars) nila nambiar private room part 10125 min better
If we read it as 10:12:50 , the keyword suggests the user is looking for a specific moment, roughly . This is a common practice online—people often look for a particular "part" or segment of a longer video. The phrase is a highly specific search string