122621134736 has 20 divisors (see below), whose sum is σ = 238342376064. Its totient is φ = 61113424800.

The previous prime is 122621134697. The next prime is 122621134789. The reversal of 122621134736 is 637431126221.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 122621134736.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12316280 + ... + 12326231.

Almost surely, 2^122621134736 is an apocalyptic number.

122621134736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122621134736 is a deficient number, since it is larger than the sum of its proper divisors (115721241328).

122621134736 is a wasteful number, since it uses less digits than its factorization.

122621134736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24642830 (or 24642824 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The spelling of 122621134736 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred thirty-four thousand, seven hundred thirty-six".