12013000231131 has 24 divisors (see below), whose sum is σ = 17654688192960. Its totient is φ = 7869146371056.

The previous prime is 12013000231103. The next prime is 12013000231181. The reversal of 12013000231131 is 13113200031021.

12013000231131 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 300 + 0 + 231 + 131 = 666.

It is not a de Polignac number, because 12013000231131 - 2¹⁰ = 12013000230107 is a prime.

It is a super-2 number, since 2×12013000231131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12013000231181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4324401 + ... + 6536546.

It is an arithmetic number, because the mean of its divisors is an integer number (735612008040).

Almost surely, 2^{12013000231131} is an apocalyptic number.

12013000231131 is a deficient number, since it is larger than the sum of its proper divisors (5641687961829).

12013000231131 is a wasteful number, since it uses less digits than its factorization.

12013000231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10863095 (or 10863092 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12013000231131 its reverse (13113200031021), we get a palindrome (25126200262152).

The spelling of 12013000231131 in words is "twelve trillion, thirteen billion, two hundred thirty-one thousand, one hundred thirty-one".