12131210211102 has 24 divisors (see below), whose sum is σ = 26994674975736. Its totient is φ = 3934446554736.

The previous prime is 12131210211077. The next prime is 12131210211137. The reversal of 12131210211102 is 20111201213121.

It is a happy number.

12131210211102 is a `hidden beast` number, since 12 + 131 + 210 + 211 + 102 = 666.

It is a super-2 number, since 2×12131210211102² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9107514508 + ... + 9107515839.

It is an arithmetic number, because the mean of its divisors is an integer number (1124778123989).

Almost surely, 2^{12131210211102} is an apocalyptic number.

12131210211102 is an abundant number, since it is smaller than the sum of its proper divisors (14863464764634).

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

12131210211102 is a wasteful number, since it uses less digits than its factorization.

12131210211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18215030392 (or 18215030389 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12131210211102 its reverse (20111201213121), we get a palindrome (32242411424223).

The spelling of 12131210211102 in words is "twelve trillion, one hundred thirty-one billion, two hundred ten million, two hundred eleven thousand, one hundred two".