12490715185 has 16 divisors (see below), whose sum is σ = 16170565824. Its totient is φ = 9207502272.

The previous prime is 12490715177. The next prime is 12490715191. The reversal of 12490715185 is 58151709421.

It is a cyclic number.

It is not a de Polignac number, because 12490715185 - 2³ = 12490715177 is a prime.

It is a Duffinian number.

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, 134067 + ... + 207256.

It is an arithmetic number, because the mean of its divisors is an integer number (1010660364).

Almost surely, 2^12490715185 is an apocalyptic number.

It is an amenable number.

12490715185 is a deficient number, since it is larger than the sum of its proper divisors (3679850639).

12490715185 is a wasteful number, since it uses less digits than its factorization.

12490715185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341904.

The product of its (nonzero) digits is 100800, while the sum is 43.

The spelling of 12490715185 in words is "twelve billion, four hundred ninety million, seven hundred fifteen thousand, one hundred eighty-five".