12511245670 has 128 divisors (see below), whose sum is σ = 29419241472. Its totient is φ = 3717014400.

The previous prime is 12511245641. The next prime is 12511245673. The reversal of 12511245670 is 7654211521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511245673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1595379 + ... + 1603201.

It is an arithmetic number, because the mean of its divisors is an integer number (229837824).

Almost surely, 2^12511245670 is an apocalyptic number.

12511245670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12511245670 is an abundant number, since it is smaller than the sum of its proper divisors (16907995802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12511245670 is a wasteful number, since it uses less digits than its factorization.

12511245670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 12511245670 in words is "twelve billion, five hundred eleven million, two hundred forty-five thousand, six hundred seventy".