122039590866 has 32 divisors (see below), whose sum is σ = 254812219200. Its totient is φ = 38916763200.

The previous prime is 122039590847. The next prime is 122039590879. The reversal of 122039590866 is 668095930221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3198360 + ... + 3236291.

It is an arithmetic number, because the mean of its divisors is an integer number (7962881850).

Almost surely, 2^122039590866 is an apocalyptic number.

122039590866 is an abundant number, since it is smaller than the sum of its proper divisors (132772628334).

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

122039590866 is a wasteful number, since it uses less digits than its factorization.

122039590866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434794.

The product of its (nonzero) digits is 1399680, while the sum is 51.

It can be divided in two parts, 12203 and 9590866, that added together give a palindrome (9603069).

The spelling of 122039590866 in words is "one hundred twenty-two billion, thirty-nine million, five hundred ninety thousand, eight hundred sixty-six".