122475640680 has 64 divisors (see below), whose sum is σ = 408252139200. Its totient is φ = 32660170560.

The previous prime is 122475640673. The next prime is 122475640681. The reversal of 122475640680 is 86046574221.

122475640680 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 7 + 564 + 0 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (122475640681) 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, 56700606 + ... + 56702765.

It is an arithmetic number, because the mean of its divisors is an integer number (6378939675).

Almost surely, 2^122475640680 is an apocalyptic number.

122475640680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122475640680 is an abundant number, since it is smaller than the sum of its proper divisors (285776498520).

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

122475640680 is a wasteful number, since it uses less digits than its factorization.

122475640680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113403391 (or 113403381 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 122475640680 in words is "one hundred twenty-two billion, four hundred seventy-five million, six hundred forty thousand, six hundred eighty".