12500880831 has 6 divisors (see below), whose sum is σ = 18056827880. Its totient is φ = 8333920548.

The previous prime is 12500880829. The next prime is 12500880841. The reversal of 12500880831 is 13808800521.

It is not a de Polignac number, because 12500880831 - 2¹ = 12500880829 is a prime.

It is a super-2 number, since 2×12500880831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500880841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694493371 + ... + 694493388.

Almost surely, 2^12500880831 is an apocalyptic number.

12500880831 is a deficient number, since it is larger than the sum of its proper divisors (5555947049).

12500880831 is a wasteful number, since it uses less digits than its factorization.

12500880831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388986765 (or 1388986762 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 12500880831 in words is "twelve billion, five hundred million, eight hundred eighty thousand, eight hundred thirty-one".