12500518107 has 24 divisors (see below), whose sum is σ = 20937511168. Its totient is φ = 6493774320.

The previous prime is 12500518091. The next prime is 12500518109. The reversal of 12500518107 is 70181500521.

It is not a de Polignac number, because 12500518107 - 2⁴ = 12500518091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12500518109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2457223 + ... + 2462304.

Almost surely, 2^12500518107 is an apocalyptic number.

12500518107 is a deficient number, since it is larger than the sum of its proper divisors (8436993061).

12500518107 is a wasteful number, since it uses less digits than its factorization.

12500518107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919559 (or 4919548 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 30.

The spelling of 12500518107 in words is "twelve billion, five hundred million, five hundred eighteen thousand, one hundred seven".