122176172398 has 48 divisors (see below), whose sum is σ = 219355287840. Its totient is φ = 49987187712.

The previous prime is 122176172351. The next prime is 122176172399. The reversal of 122176172398 is 893271671221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122176172399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989590 + ... + 1106182.

It is an arithmetic number, because the mean of its divisors is an integer number (4569901830).

Almost surely, 2^122176172398 is an apocalyptic number.

122176172398 is a deficient number, since it is larger than the sum of its proper divisors (97179115442).

122176172398 is a wasteful number, since it uses less digits than its factorization.

122176172398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116749 (or 116720 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The spelling of 122176172398 in words is "one hundred twenty-two billion, one hundred seventy-six million, one hundred seventy-two thousand, three hundred ninety-eight".