122755545600 has 120 divisors (see below), whose sum is σ = 405515399520. Its totient is φ = 32734801920.

The previous prime is 122755545587. The next prime is 122755545617. The reversal of 122755545600 is 6545557221.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1559980 + ... + 1636779.

It is an arithmetic number, because the mean of its divisors is an integer number (3379294996).

Almost surely, 2^122755545600 is an apocalyptic number.

122755545600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122755545600 is an abundant number, since it is smaller than the sum of its proper divisors (282759853920).

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

122755545600 is an equidigital number, since it uses as much as digits as its factorization.

122755545600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196790 (or 3196769 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 122755545600 in words is "one hundred twenty-two billion, seven hundred fifty-five million, five hundred forty-five thousand, six hundred".