122021200992 has 48 divisors (see below), whose sum is σ = 323299190592. Its totient is φ = 40293601920.

The previous prime is 122021200969. The next prime is 122021200997. The reversal of 122021200992 is 299002120221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021200997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5929234 + ... + 5949777.

It is an arithmetic number, because the mean of its divisors is an integer number (6735399804).

Almost surely, 2^122021200992 is an apocalyptic number.

122021200992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122021200992 is an abundant number, since it is smaller than the sum of its proper divisors (201277989600).

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

122021200992 is a wasteful number, since it uses less digits than its factorization.

122021200992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11879131 (or 11879123 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 122021200992 in words is "one hundred twenty-two billion, twenty-one million, two hundred thousand, nine hundred ninety-two".