12517230847 has 12 divisors (see below), whose sum is σ = 13862065896. Its totient is φ = 11209416240.

The previous prime is 12517230841. The next prime is 12517230853. The reversal of 12517230847 is 74803271521.

It is an interprime number because it is at equal distance from previous prime (12517230841) and next prime (12517230853).

It is not a de Polignac number, because 12517230847 - 2²⁷ = 12383013119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12517230841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77368 + ... + 176125.

It is an arithmetic number, because the mean of its divisors is an integer number (1155172158).

Almost surely, 2^12517230847 is an apocalyptic number.

12517230847 is a deficient number, since it is larger than the sum of its proper divisors (1344835049).

12517230847 is an equidigital number, since it uses as much as digits as its factorization.

12517230847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253638 (or 253571 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 12517230847 in words is "twelve billion, five hundred seventeen million, two hundred thirty thousand, eight hundred forty-seven".