122120011992 has 64 divisors (see below), whose sum is σ = 335597074560. Its totient is φ = 36723564800.

The previous prime is 122120011903. The next prime is 122120012029. The reversal of 122120011992 is 299110021221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1730973 + ... + 1800140.

It is an arithmetic number, because the mean of its divisors is an integer number (5243704290).

Almost surely, 2^122120011992 is an apocalyptic number.

122120011992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122120011992 is an abundant number, since it is smaller than the sum of its proper divisors (213477062568).

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

122120011992 is a wasteful number, since it uses less digits than its factorization.

122120011992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531264 (or 3531260 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 122120011992 in words is "one hundred twenty-two billion, one hundred twenty million, eleven thousand, nine hundred ninety-two".