it was 12 sorry for the main lead in This is what it feels like, its around the 10min mark, it was awhile i ago i watched that video
armin also says he has used up to 6 layers for a clap, in another you, the track on his latest album, in the above youtube link
benno then says they use a lot of soft synths, but i think armin owns a virus though in his studio i think, armin uses a lot of massive and sylneth, omnisphere i believe
i also remember hearing ilan bluestone doesnt layer his kicks, he just has 1 kick, somewhere in the freshly squeezed interviews