122555321123394 has 256 divisors, whose sum is σ = 271864526929920. Its totient is φ = 36696911247360.

The previous prime is 122555321123377. The next prime is 122555321123423. The reversal of 122555321123394 is 493321123555221.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7430739412 + ... + 7430755904.

It is an arithmetic number, because the mean of its divisors is an integer number (1061970808320).

Almost surely, 2^{122555321123394} is an apocalyptic number.

122555321123394 is an abundant number, since it is smaller than the sum of its proper divisors (149309205806526).

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

122555321123394 is a wasteful number, since it uses less digits than its factorization.

122555321123394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16945.

The product of its digits is 1944000, while the sum is 48.

The spelling of 122555321123394 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred twenty-one million, one hundred twenty-three thousand, three hundred ninety-four".