12012102021112 has 128 divisors (see below), whose sum is σ = 25786273320000. Its totient is φ = 5209467125760.

The previous prime is 12012102021103. The next prime is 12012102021113. The reversal of 12012102021112 is 21112020121021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012102021113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665518264 + ... + 665536312.

Almost surely, 2^{12012102021112} is an apocalyptic number.

It is an amenable number.

12012102021112 is an abundant number, since it is smaller than the sum of its proper divisors (13774171298888).

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

12012102021112 is a wasteful number, since it uses less digits than its factorization.

12012102021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25089 (or 25085 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012102021112 its reverse (21112020121021), we get a palindrome (33124122142133).

The spelling of 12012102021112 in words is "twelve trillion, twelve billion, one hundred two million, twenty-one thousand, one hundred twelve".