122351644944 has 135 divisors (see below), whose sum is σ = 346997487447. Its totient is φ = 40245208128.

The previous prime is 122351644937. The next prime is 122351645021. The reversal of 122351644944 is 449446153221.

The square root of 122351644944 is 349788.

It is a perfect power (a square), and thus also a powerful number.

122351644944 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 516 + 44 + 94 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 122351644944.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 432337827 + ... + 432338109.

Almost surely, 2^122351644944 is an apocalyptic number.

122351644944 is the 349788-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122351644944

122351644944 is an abundant number, since it is smaller than the sum of its proper divisors (224645842503).

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

122351644944 is an equidigital number, since it uses as much as digits as its factorization.

122351644944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 391 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 122351644944 in words is "one hundred twenty-two billion, three hundred fifty-one million, six hundred forty-four thousand, nine hundred forty-four".