122017665776 has 20 divisors (see below), whose sum is σ = 238501348032. Its totient is φ = 60468930816.

The previous prime is 122017665751. The next prime is 122017665779. The reversal of 122017665776 is 677566710221.

It is a super-2 number, since 2×122017665776² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122017665779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33742016 + ... + 33745631.

Almost surely, 2^122017665776 is an apocalyptic number.

122017665776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122017665776 is a deficient number, since it is larger than the sum of its proper divisors (116483682256).

122017665776 is a wasteful number, since it uses less digits than its factorization.

122017665776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67487768 (or 67487762 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 122017665776 in words is "one hundred twenty-two billion, seventeen million, six hundred sixty-five thousand, seven hundred seventy-six".