122056055520 has 96 divisors (see below), whose sum is σ = 439401811968. Its totient is φ = 27898526208.

The previous prime is 122056055509. The next prime is 122056055521. The reversal of 122056055520 is 25550650221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122056055521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18159744 + ... + 18166463.

It is an arithmetic number, because the mean of its divisors is an integer number (4577102208).

Almost surely, 2^122056055520 is an apocalyptic number.

122056055520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122056055520 is an abundant number, since it is smaller than the sum of its proper divisors (317345756448).

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

122056055520 is a wasteful number, since it uses less digits than its factorization.

122056055520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36326232 (or 36326224 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 122056055520 in words is "one hundred twenty-two billion, fifty-six million, fifty-five thousand, five hundred twenty".