122616335128 has 16 divisors (see below), whose sum is σ = 262749289680. Its totient is φ = 52549857888.

The previous prime is 122616335117. The next prime is 122616335203. The reversal of 122616335128 is 821533616221.

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, 1094788651 + ... + 1094788762.

It is an arithmetic number, because the mean of its divisors is an integer number (16421830605).

Almost surely, 2^122616335128 is an apocalyptic number.

It is an amenable number.

122616335128 is an abundant number, since it is smaller than the sum of its proper divisors (140132954552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122616335128 is a wasteful number, since it uses less digits than its factorization.

122616335128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189577426 (or 2189577422 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 122616335128 in words is "one hundred twenty-two billion, six hundred sixteen million, three hundred thirty-five thousand, one hundred twenty-eight".