Well, the song is the biggest hit of her career. It's No. 1 in like twenty countries. If she hasn't performed it anywhere yet, where do you think the promotion came from?
The video premiered on AI ages ago. It's getting so many hits because she's relevant again, the song is a hit (and growing) everywhere, if you google "Jennifer Lopez" it's one of the first results and it's always one of the suggested videos on the side of the page when you're watching a Vevo video on Youtube.