12121875904 has 28 divisors (see below), whose sum is σ = 24070756024. Its totient is φ = 6056803584.

The previous prime is 12121875881. The next prime is 12121875919. The reversal of 12121875904 is 40957812121.

It is a congruent number.

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, 31054 + ... + 158770.

It is an arithmetic number, because the mean of its divisors is an integer number (859669858).

Almost surely, 2^12121875904 is an apocalyptic number.

It is an amenable number.

12121875904 is a deficient number, since it is larger than the sum of its proper divisors (11948880120).

12121875904 is a wasteful number, since it uses less digits than its factorization.

12121875904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129212 (or 129202 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 12121875904 in words is "twelve billion, one hundred twenty-one million, eight hundred seventy-five thousand, nine hundred four".