122378412568 has 64 divisors (see below), whose sum is σ = 243538801920. Its totient is φ = 57549657600.

The previous prime is 122378412553. The next prime is 122378412587. The reversal of 122378412568 is 865214873221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8627530 + ... + 8641702.

It is an arithmetic number, because the mean of its divisors is an integer number (3805293780).

Almost surely, 2^122378412568 is an apocalyptic number.

It is an amenable number.

122378412568 is a deficient number, since it is larger than the sum of its proper divisors (121160389352).

122378412568 is a wasteful number, since it uses less digits than its factorization.

122378412568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15188 (or 15184 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The spelling of 122378412568 in words is "one hundred twenty-two billion, three hundred seventy-eight million, four hundred twelve thousand, five hundred sixty-eight".