122153653772 has 6 divisors (see below), whose sum is σ = 213768894108. Its totient is φ = 61076826884.

The previous prime is 122153653763. The next prime is 122153653789. The reversal of 122153653772 is 277356351221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15269206718 + ... + 15269206725.

It is an arithmetic number, because the mean of its divisors is an integer number (35628149018).

Almost surely, 2^122153653772 is an apocalyptic number.

It is an amenable number.

122153653772 is a deficient number, since it is larger than the sum of its proper divisors (91615240336).

122153653772 is a wasteful number, since it uses less digits than its factorization.

122153653772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30538413447 (or 30538413445 counting only the distinct ones).

The product of its digits is 529200, while the sum is 44.

The spelling of 122153653772 in words is "one hundred twenty-two billion, one hundred fifty-three million, six hundred fifty-three thousand, seven hundred seventy-two".