122621064044 has 24 divisors (see below), whose sum is σ = 221090700768. Its totient is φ = 59462881920.

The previous prime is 122621064029. The next prime is 122621064061. The reversal of 122621064044 is 440460126221.

It is a self number, because there is not a number n which added to its sum of digits gives 122621064044.

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 7 ways as a sum of consecutive naturals, for example, 1277192 + ... + 1369839.

It is an arithmetic number, because the mean of its divisors is an integer number (9212112532).

Almost surely, 2^122621064044 is an apocalyptic number.

It is an amenable number.

122621064044 is a deficient number, since it is larger than the sum of its proper divisors (98469636724).

122621064044 is a wasteful number, since it uses less digits than its factorization.

122621064044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647385 (or 2647383 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 122621064044 in words is "one hundred twenty-two billion, six hundred twenty-one million, sixty-four thousand, forty-four".