122153899350 has 96 divisors (see below), whose sum is σ = 349788612096. Its totient is φ = 27633024000.

The previous prime is 122153899349. The next prime is 122153899391. The reversal of 122153899350 is 53998351221.

It is a self number, because there is not a number n which added to its sum of digits gives 122153899350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497826 + ... + 701525.

It is an arithmetic number, because the mean of its divisors is an integer number (3643631376).

Almost surely, 2^122153899350 is an apocalyptic number.

122153899350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122153899350 is an abundant number, since it is smaller than the sum of its proper divisors (227634712746).

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

122153899350 is a wasteful number, since it uses less digits than its factorization.

122153899350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199470 (or 1199465 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 122153899350 in words is "one hundred twenty-two billion, one hundred fifty-three million, eight hundred ninety-nine thousand, three hundred fifty".