122621436402 has 16 divisors (see below), whose sum is σ = 249263248512. Its totient is φ = 40203749520.

The previous prime is 122621436401. The next prime is 122621436419. The reversal of 122621436402 is 204634126221.

It is not an unprimeable number, because it can be changed into a prime (122621436401) 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 7 ways as a sum of consecutive naturals, for example, 167515258 + ... + 167515989.

It is an arithmetic number, because the mean of its divisors is an integer number (15578953032).

Almost surely, 2^122621436402 is an apocalyptic number.

122621436402 is an abundant number, since it is smaller than the sum of its proper divisors (126641812110).

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

122621436402 is a wasteful number, since it uses less digits than its factorization.

122621436402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335031313.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 122621436402 in words is "one hundred twenty-two billion, six hundred twenty-one million, four hundred thirty-six thousand, four hundred two".