122856768668 has 12 divisors (see below), whose sum is σ = 218523925032. Its totient is φ = 60421361520.

The previous prime is 122856768649. The next prime is 122856768679. The reversal of 122856768668 is 866867658221.

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, 251755430 + ... + 251755917.

It is an arithmetic number, because the mean of its divisors is an integer number (18210327086).

Almost surely, 2^122856768668 is an apocalyptic number.

It is an amenable number.

122856768668 is a deficient number, since it is larger than the sum of its proper divisors (95667156364).

122856768668 is a wasteful number, since it uses less digits than its factorization.

122856768668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503511412 (or 503511410 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 65.

The spelling of 122856768668 in words is "one hundred twenty-two billion, eight hundred fifty-six million, seven hundred sixty-eight thousand, six hundred sixty-eight".