121697668968 has 64 divisors (see below), whose sum is σ = 323558760000. Its totient is φ = 38034634752.

The previous prime is 121697668927. The next prime is 121697668979. The reversal of 121697668968 is 869866796121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331443 + ... + 1419906.

It is an arithmetic number, because the mean of its divisors is an integer number (5055605625).

Almost surely, 2^121697668968 is an apocalyptic number.

It is an amenable number.

121697668968 is an abundant number, since it is smaller than the sum of its proper divisors (201861091032).

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

121697668968 is a wasteful number, since it uses less digits than its factorization.

121697668968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751474 (or 2751470 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 69.

The spelling of 121697668968 in words is "one hundred twenty-one billion, six hundred ninety-seven million, six hundred sixty-eight thousand, nine hundred sixty-eight".