12001112100212 has 6 divisors (see below), whose sum is σ = 21001946175378. Its totient is φ = 6000556050104.

The previous prime is 12001112100169. The next prime is 12001112100301. The reversal of 12001112100212 is 21200121110021.

It can be written as a sum of positive squares in only one way, i.e., 11921454940516 + 79657159696 = 3452746^2 + 282236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500139012523 + ... + 1500139012530.

It is an arithmetic number, because the mean of its divisors is an integer number (3500324362563).

Almost surely, 2^{12001112100212} is an apocalyptic number.

It is an amenable number.

12001112100212 is a deficient number, since it is larger than the sum of its proper divisors (9000834075166).

12001112100212 is a wasteful number, since it uses less digits than its factorization.

12001112100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000278025057 (or 3000278025055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12001112100212 its reverse (21200121110021), we get a palindrome (33201233210233).

The spelling of 12001112100212 in words is "twelve trillion, one billion, one hundred twelve million, one hundred thousand, two hundred twelve".