12507574485231 has 16 divisors (see below), whose sum is σ = 21176845689600. Its totient is φ = 7147185420024.

The previous prime is 12507574485227. The next prime is 12507574485239. The reversal of 12507574485231 is 13258447570521.

12507574485231 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 7 + 5 + 74 + 48 + 523 + 1 = 666.

It is not a de Polignac number, because 12507574485231 - 2² = 12507574485227 is a prime.

It is a super-2 number, since 2×12507574485231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507574485239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33088821201 + ... + 33088821578.

It is an arithmetic number, because the mean of its divisors is an integer number (1323552855600).

Almost surely, 2^{12507574485231} is an apocalyptic number.

12507574485231 is a deficient number, since it is larger than the sum of its proper divisors (8669271204369).

12507574485231 is an equidigital number, since it uses as much as digits as its factorization.

12507574485231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66177642795 (or 66177642789 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 54.

The spelling of 12507574485231 in words is "twelve trillion, five hundred seven billion, five hundred seventy-four million, four hundred eighty-five thousand, two hundred thirty-one".