12021000000112 has 20 divisors (see below), whose sum is σ = 24042000001216. Its totient is φ = 5816612903040.

The previous prime is 12021000000101. The next prime is 12021000000151. The reversal of 12021000000112 is 21100000012021.

12021000000112 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12117943053 + ... + 12117944044.

Almost surely, 2^{12021000000112} is an apocalyptic number.

It is an amenable number.

12021000000112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021000000112 is a wasteful number, since it uses less digits than its factorization.

12021000000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24235887136 (or 24235887130 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12021000000112 its reverse (21100000012021), we get a palindrome (33121000012133).

The spelling of 12021000000112 in words is "twelve trillion, twenty-one billion, one hundred twelve", and thus it is an aban number.