992090209122 has 12 divisors (see below), whose sum is σ = 2149528786470. Its totient is φ = 330696736368.

The previous prime is 992090209111. The next prime is 992090209139. The reversal of 992090209122 is 221902090299.

It can be written as a sum of positive squares in only one way, i.e., 943717045401 + 48373163721 = 971451^2 + 219939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27558061347 + ... + 27558061382.

Almost surely, 2^992090209122 is an apocalyptic number.

992090209122 is an abundant number, since it is smaller than the sum of its proper divisors (1157438577348).

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

992090209122 is a wasteful number, since it uses less digits than its factorization.

992090209122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55116122737 (or 55116122734 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 992090209122 in words is "nine hundred ninety-two billion, ninety million, two hundred nine thousand, one hundred twenty-two".