12102131013132 has 48 divisors (see below), whose sum is σ = 29909216125152. Its totient is φ = 3795498270720.

The previous prime is 12102131013103. The next prime is 12102131013139. The reversal of 12102131013132 is 23131013120121.

It is a super-2 number, since 2×12102131013132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102131013099 and 12102131013108.

It is not an unprimeable number, because it can be changed into a prime (12102131013139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9133693 + ... + 10374420.

It is an arithmetic number, because the mean of its divisors is an integer number (623108669274).

Almost surely, 2^{12102131013132} is an apocalyptic number.

12102131013132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12102131013132 is an abundant number, since it is smaller than the sum of its proper divisors (17807085112020).

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

12102131013132 is a wasteful number, since it uses less digits than its factorization.

12102131013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19511178 (or 19511176 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12102131013132 its reverse (23131013120121), we get a palindrome (35233144133253).

The spelling of 12102131013132 in words is "twelve trillion, one hundred two billion, one hundred thirty-one million, thirteen thousand, one hundred thirty-two".