122076621621 has 12 divisors (see below), whose sum is σ = 176352583680. Its totient is φ = 81375328680.

The previous prime is 122076621619. The next prime is 122076621629. The reversal of 122076621621 is 126126670221.

It is a happy number.

122076621621 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 7 + 6 + 6 + 21 + 621 = 666.

It is not a de Polignac number, because 122076621621 - 2¹ = 122076621619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122076621629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671541 + ... + 833738.

It is an arithmetic number, because the mean of its divisors is an integer number (14696048640).

Almost surely, 2^122076621621 is an apocalyptic number.

It is an amenable number.

122076621621 is a deficient number, since it is larger than the sum of its proper divisors (54275962059).

122076621621 is a wasteful number, since it uses less digits than its factorization.

122076621621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514296 (or 1514293 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 122076621621 in words is "one hundred twenty-two billion, seventy-six million, six hundred twenty-one thousand, six hundred twenty-one".