122164615500 has 48 divisors (see below), whose sum is σ = 355743364704. Its totient is φ = 32577230400.

The previous prime is 122164615493. The next prime is 122164615537. The reversal of 122164615500 is 5516461221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40720039 + ... + 40723038.

It is an arithmetic number, because the mean of its divisors is an integer number (7411320098).

Almost surely, 2^122164615500 is an apocalyptic number.

122164615500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122164615500 is an abundant number, since it is smaller than the sum of its proper divisors (233578749204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122164615500 is a wasteful number, since it uses less digits than its factorization.

122164615500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81443099 (or 81443087 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 122164615500 in words is "one hundred twenty-two billion, one hundred sixty-four million, six hundred fifteen thousand, five hundred".