It's 212w. It says it right on the listing. It's a cheap, not particularly great light. IYou'd be way better off with a Spider Farmer SF2000.
Fyi, that makes it approximately 1.18x-10^13 the power of the sun, or less then one billionth of a percent of the power of the sun ... so your friends math was off a little bit.
You need to worry less about trendy terms and nutrients that you read about on forums and more about the basics of growing marijuana. Like I said before, your way overcomplicating this.