121078836228 has 48 divisors (see below), whose sum is σ = 341869659264. Its totient is φ = 32559014400.

The previous prime is 121078836173. The next prime is 121078836233. The reversal of 121078836228 is 822638870121.

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, 42393123 + ... + 42395978.

It is an arithmetic number, because the mean of its divisors is an integer number (7122284568).

Almost surely, 2^121078836228 is an apocalyptic number.

It is an amenable number.

121078836228 is an abundant number, since it is smaller than the sum of its proper divisors (220790823036).

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

121078836228 is a wasteful number, since it uses less digits than its factorization.

121078836228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84789132 (or 84789130 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 121078836228 in words is "one hundred twenty-one billion, seventy-eight million, eight hundred thirty-six thousand, two hundred twenty-eight".