12904775980 has 12 divisors (see below), whose sum is σ = 27100029600. Its totient is φ = 5161910384.

The previous prime is 12904775957. The next prime is 12904776011. The reversal of 12904775980 is 8957740921.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 322619380 + ... + 322619419.

It is an arithmetic number, because the mean of its divisors is an integer number (2258335800).

Almost surely, 2^12904775980 is an apocalyptic number.

12904775980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12904775980 is an abundant number, since it is smaller than the sum of its proper divisors (14195253620).

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

12904775980 is a wasteful number, since it uses less digits than its factorization.

12904775980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645238808 (or 645238806 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 12904775980 in words is "twelve billion, nine hundred four million, seven hundred seventy-five thousand, nine hundred eighty".