121912552964 has 24 divisors (see below), whose sum is σ = 225219288000. Its totient is φ = 57582571680.

The previous prime is 121912552939. The next prime is 121912553003. The reversal of 121912552964 is 469255219121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271632 + ... + 2324679.

It is an arithmetic number, because the mean of its divisors is an integer number (9384137000).

Almost surely, 2^121912552964 is an apocalyptic number.

It is an amenable number.

121912552964 is a deficient number, since it is larger than the sum of its proper divisors (103306735036).

121912552964 is a wasteful number, since it uses less digits than its factorization.

121912552964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596683 (or 4596681 counting only the distinct ones).

The product of its digits is 388800, while the sum is 47.

The spelling of 121912552964 in words is "one hundred twenty-one billion, nine hundred twelve million, five hundred fifty-two thousand, nine hundred sixty-four".