12232300131 has 10 divisors (see below), whose sum is σ = 18272942292. Its totient is φ = 8154866700.

The previous prime is 12232300123. The next prime is 12232300141. The reversal of 12232300131 is 13100323221.

12232300131 is a `hidden beast` number, since 1 + 2 + 232 + 300 + 131 = 666.

It is not a de Polignac number, because 12232300131 - 2³ = 12232300123 is a prime.

It is a super-2 number, since 2×12232300131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12232300121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75507945 + ... + 75508106.

Almost surely, 2^12232300131 is an apocalyptic number.

12232300131 is a deficient number, since it is larger than the sum of its proper divisors (6040642161).

12232300131 is an equidigital number, since it uses as much as digits as its factorization.

12232300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151016063 (or 151016054 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12232300131 its reverse (13100323221), we get a palindrome (25332623352).

The spelling of 12232300131 in words is "twelve billion, two hundred thirty-two million, three hundred thousand, one hundred thirty-one".