122633631256 has 16 divisors (see below), whose sum is σ = 230226575040. Its totient is φ = 61239877920.

The previous prime is 122633631223. The next prime is 122633631271. The reversal of 122633631256 is 652136336221.

It is a congruent 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, 9610440 + ... + 9623191.

It is an arithmetic number, because the mean of its divisors is an integer number (14389160940).

Almost surely, 2^122633631256 is an apocalyptic number.

It is an amenable number.

122633631256 is a deficient number, since it is larger than the sum of its proper divisors (107592943784).

122633631256 is a wasteful number, since it uses less digits than its factorization.

122633631256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19234434 (or 19234430 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

Adding to 122633631256 its reverse (652136336221), we get a palindrome (774769967477).

The spelling of 122633631256 in words is "one hundred twenty-two billion, six hundred thirty-three million, six hundred thirty-one thousand, two hundred fifty-six".