12388431715 has 16 divisors (see below), whose sum is σ = 16225090560. Its totient is φ = 9005597920.

The previous prime is 12388431701. The next prime is 12388431749. The reversal of 12388431715 is 51713488321.

It is not a de Polignac number, because 12388431715 - 2³³ = 3798497123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70356 + ... + 172414.

It is an arithmetic number, because the mean of its divisors is an integer number (1014068160).

Almost surely, 2^12388431715 is an apocalyptic number.

12388431715 is a deficient number, since it is larger than the sum of its proper divisors (3836658845).

12388431715 is a wasteful number, since it uses less digits than its factorization.

12388431715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104282.

The product of its digits is 161280, while the sum is 43.

The spelling of 12388431715 in words is "twelve billion, three hundred eighty-eight million, four hundred thirty-one thousand, seven hundred fifteen".