122772364577720 has 128 divisors (see below), whose sum is σ = 325765108247040. Its totient is φ = 41053610519040.

The previous prime is 122772364577717. The next prime is 122772364577813. The reversal of 122772364577720 is 27775463277221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39301154 + ... + 42309873.

It is an arithmetic number, because the mean of its divisors is an integer number (2545039908180).

Almost surely, 2^{122772364577720} is an apocalyptic number.

122772364577720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122772364577720 is an abundant number, since it is smaller than the sum of its proper divisors (202992743669320).

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

122772364577720 is a wasteful number, since it uses less digits than its factorization.

122772364577720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81611325 (or 81611321 counting only the distinct ones).

The product of its (nonzero) digits is 96808320, while the sum is 62.

The spelling of 122772364577720 in words is "one hundred twenty-two trillion, seven hundred seventy-two billion, three hundred sixty-four million, five hundred seventy-seven thousand, seven hundred twenty".