12497852531 has 16 divisors (see below), whose sum is σ = 12784262400. Its totient is φ = 12214173600.

The previous prime is 12497852503. The next prime is 12497852551. The reversal of 12497852531 is 13525879421.

It is a cyclic number.

It is not a de Polignac number, because 12497852531 - 2⁶ = 12497852467 is a prime.

It is a super-2 number, since 2×12497852531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12497852551) 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, 9926180 + ... + 9927438.

It is an arithmetic number, because the mean of its divisors is an integer number (799016400).

Almost surely, 2^12497852531 is an apocalyptic number.

12497852531 is a deficient number, since it is larger than the sum of its proper divisors (286409869).

12497852531 is a wasteful number, since it uses less digits than its factorization.

12497852531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its digits is 604800, while the sum is 47.

The spelling of 12497852531 in words is "twelve billion, four hundred ninety-seven million, eight hundred fifty-two thousand, five hundred thirty-one".