12508711870 has 16 divisors (see below), whose sum is σ = 22517284608. Its totient is φ = 5003128480.

The previous prime is 12508711829. The next prime is 12508711871. The reversal of 12508711870 is 7811780521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12508711871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138912 + ... + 210508.

It is an arithmetic number, because the mean of its divisors is an integer number (1407330288).

Almost surely, 2^12508711870 is an apocalyptic number.

12508711870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12508711870 is a deficient number, since it is larger than the sum of its proper divisors (10008572738).

12508711870 is a wasteful number, since it uses less digits than its factorization.

12508711870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89075.

The product of its (nonzero) digits is 31360, while the sum is 40.

The spelling of 12508711870 in words is "twelve billion, five hundred eight million, seven hundred eleven thousand, eight hundred seventy".