122152172051 has 32 divisors (see below), whose sum is σ = 151429824000. Its totient is φ = 95949803520.

The previous prime is 122152172047. The next prime is 122152172059. The reversal of 122152172051 is 150271251221.

It is a cyclic number.

It is not a de Polignac number, because 122152172051 - 2² = 122152172047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122152172059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10435400 + ... + 10447098.

It is an arithmetic number, because the mean of its divisors is an integer number (4732182000).

Almost surely, 2^122152172051 is an apocalyptic number.

122152172051 is a deficient number, since it is larger than the sum of its proper divisors (29277651949).

122152172051 is a wasteful number, since it uses less digits than its factorization.

122152172051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12539.

The product of its (nonzero) digits is 2800, while the sum is 29.

The spelling of 122152172051 in words is "one hundred twenty-two billion, one hundred fifty-two million, one hundred seventy-two thousand, fifty-one".