122401374384690 has 32 divisors (see below), whose sum is σ = 326403665026560. Its totient is φ = 32640366502512.

The previous prime is 122401374384661. The next prime is 122401374384701. The reversal of 122401374384690 is 96483473104221.

122401374384690 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 0 + 137 + 43 + 8 + 469 + 0 = 666.

It is a super-2 number, since 2×122401374384690² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226669211554 + ... + 226669212093.

It is an arithmetic number, because the mean of its divisors is an integer number (10200114532080).

Almost surely, 2^{122401374384690} is an apocalyptic number.

122401374384690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122401374384690 is an abundant number, since it is smaller than the sum of its proper divisors (204002290641870).

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

122401374384690 is a wasteful number, since it uses less digits than its factorization.

122401374384690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453338423663 (or 453338423657 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 122401374384690 in words is "one hundred twenty-two trillion, four hundred one billion, three hundred seventy-four million, three hundred eighty-four thousand, six hundred ninety".