12709870125 has 32 divisors (see below), whose sum is σ = 21641093760. Its totient is φ = 6620947200.

The previous prime is 12709870109. The next prime is 12709870139. The reversal of 12709870125 is 52107890721.

It is not a de Polignac number, because 12709870125 - 2⁴ = 12709870109 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377980 + ... + 410229.

It is an arithmetic number, because the mean of its divisors is an integer number (676284180).

Almost surely, 2^12709870125 is an apocalyptic number.

12709870125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12709870125 is a deficient number, since it is larger than the sum of its proper divisors (8931223635).

12709870125 is an equidigital number, since it uses as much as digits as its factorization.

12709870125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788270 (or 788260 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 12709870125 in words is "twelve billion, seven hundred nine million, eight hundred seventy thousand, one hundred twenty-five".