12312113133131 has 16 divisors (see below), whose sum is σ = 14200688409600. Its totient is φ = 10455971673888.

The previous prime is 12312113133113. The next prime is 12312113133161. The reversal of 12312113133131 is 13133131121321.

It is not a de Polignac number, because 12312113133131 - 2³⁸ = 12037235226187 is a prime.

It is a super-2 number, since 2×12312113133131² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12312113133131.

It is not an unprimeable number, because it can be changed into a prime (12312113133161) 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, 18055850 + ... + 18725328.

It is an arithmetic number, because the mean of its divisors is an integer number (887543025600).

Almost surely, 2^{12312113133131} is an apocalyptic number.

12312113133131 is a deficient number, since it is larger than the sum of its proper divisors (1888575276469).

12312113133131 is a wasteful number, since it uses less digits than its factorization.

12312113133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693698.

The product of its digits is 972, while the sum is 26.

Adding to 12312113133131 its reverse (13133131121321), we get a palindrome (25445244254452).

The spelling of 12312113133131 in words is "twelve trillion, three hundred twelve billion, one hundred thirteen million, one hundred thirty-three thousand, one hundred thirty-one".