122072223172 has 12 divisors (see below), whose sum is σ = 222914494656. Its totient is φ = 58382367560.

The previous prime is 122072223139. The next prime is 122072223223. The reversal of 122072223172 is 271322270221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663435904 + ... + 663436087.

It is an arithmetic number, because the mean of its divisors is an integer number (18576207888).

Almost surely, 2^122072223172 is an apocalyptic number.

It is an amenable number.

122072223172 is a deficient number, since it is larger than the sum of its proper divisors (100842271484).

122072223172 is a wasteful number, since it uses less digits than its factorization.

122072223172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326872018 (or 1326872016 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

Adding to 122072223172 its reverse (271322270221), we get a palindrome (393394493393).

The spelling of 122072223172 in words is "one hundred twenty-two billion, seventy-two million, two hundred twenty-three thousand, one hundred seventy-two".