12102112011112 has 32 divisors (see below), whose sum is σ = 22736558980800. Its totient is φ = 6039041209344.

The previous prime is 12102112011109. The next prime is 12102112011163. The reversal of 12102112011112 is 21111021120121.

It is a super-2 number, since 2×12102112011112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7639693 + ... + 9086755.

It is an arithmetic number, because the mean of its divisors is an integer number (710517468150).

Almost surely, 2^{12102112011112} is an apocalyptic number.

It is an amenable number.

12102112011112 is a deficient number, since it is larger than the sum of its proper divisors (10634446969688).

12102112011112 is a wasteful number, since it uses less digits than its factorization.

12102112011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449145 (or 1449141 counting only the distinct ones).

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

Adding to 12102112011112 its reverse (21111021120121), we get a palindrome (33213133131233).

The spelling of 12102112011112 in words is "twelve trillion, one hundred two billion, one hundred twelve million, eleven thousand, one hundred twelve".