122618019568 has 20 divisors (see below), whose sum is σ = 259169905368. Its totient is φ = 55735463360.

The previous prime is 122618019541. The next prime is 122618019599. The reversal of 122618019568 is 865910816221.

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, 348346471 + ... + 348346822.

Almost surely, 2^122618019568 is an apocalyptic number.

It is an amenable number.

122618019568 is an abundant number, since it is smaller than the sum of its proper divisors (136551885800).

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

122618019568 is a wasteful number, since it uses less digits than its factorization.

122618019568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696693312 (or 696693306 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 122618019568 in words is "one hundred twenty-two billion, six hundred eighteen million, nineteen thousand, five hundred sixty-eight".