12902912625 has 16 divisors (see below), whose sum is σ = 21470447232. Its totient is φ = 6881553200.

The previous prime is 12902912557. The next prime is 12902912629. The reversal of 12902912625 is 52621920921.

It is not a de Polignac number, because 12902912625 - 2⁷ = 12902912497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12902912629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17203509 + ... + 17204258.

It is an arithmetic number, because the mean of its divisors is an integer number (1341902952).

Almost surely, 2^12902912625 is an apocalyptic number.

12902912625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12902912625 is a deficient number, since it is larger than the sum of its proper divisors (8567534607).

12902912625 is an equidigital number, since it uses as much as digits as its factorization.

12902912625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34407785 (or 34407775 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 12902912625 in words is "twelve billion, nine hundred two million, nine hundred twelve thousand, six hundred twenty-five".