621073040555122 has 96 divisors (see below), whose sum is σ = 961331118667920. Its totient is φ = 300903579648000.

The previous prime is 621073040555113. The next prime is 621073040555131. The reversal of 621073040555122 is 221555040370126.

It is an interprime number because it is at equal distance from previous prime (621073040555113) and next prime (621073040555131).

It can be written as a sum of positive squares in 24 ways, for example, as 26300886576721 + 594772153978401 = 5128439^2 + 24387951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125292117868 + ... + 125292122824.

Almost surely, 2^{621073040555122} is an apocalyptic number.

621073040555122 is a deficient number, since it is larger than the sum of its proper divisors (340258078112798).

621073040555122 is a wasteful number, since it uses less digits than its factorization.

621073040555122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048 (or 5987 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 621073040555122 in words is "six hundred twenty-one trillion, seventy-three billion, forty million, five hundred fifty-five thousand, one hundred twenty-two".