122377311280 has 80 divisors (see below), whose sum is σ = 342288449280. Its totient is φ = 39749619456.

The previous prime is 122377311209. The next prime is 122377311317. The reversal of 122377311280 is 82113773221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×122377311280² (a number of 23 digits) contains 22 as substring.

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, 5740174 + ... + 5761453.

It is an arithmetic number, because the mean of its divisors is an integer number (4278605616).

Almost surely, 2^122377311280 is an apocalyptic number.

122377311280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122377311280 is an abundant number, since it is smaller than the sum of its proper divisors (219911138000).

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

122377311280 is a wasteful number, since it uses less digits than its factorization.

122377311280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11501666 (or 11501660 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 122377311280 in words is "one hundred twenty-two billion, three hundred seventy-seven million, three hundred eleven thousand, two hundred eighty".