122313137856 has 112 divisors (see below), whose sum is σ = 398301813504. Its totient is φ = 32258405376.

The previous prime is 122313137851. The next prime is 122313137857. The reversal of 122313137856 is 658731313221.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (122313137851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3482790 + ... + 3517733.

It is an arithmetic number, because the mean of its divisors is an integer number (3556266192).

Almost surely, 2^122313137856 is an apocalyptic number.

122313137856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122313137856 is an abundant number, since it is smaller than the sum of its proper divisors (275988675648).

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

122313137856 is a wasteful number, since it uses less digits than its factorization.

122313137856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000558 (or 7000548 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The spelling of 122313137856 in words is "one hundred twenty-two billion, three hundred thirteen million, one hundred thirty-seven thousand, eight hundred fifty-six".