1999122196992 has 40 divisors (see below), whose sum is σ = 5325786482016. Its totient is φ = 666374065152.

The previous prime is 1999122196949. The next prime is 1999122197011. The reversal of 1999122196992 is 2996912219991.

It is a super-3 number, since 3×1999122196992³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650754388 + ... + 650757459.

Almost surely, 2^{1999122196992} is an apocalyptic number.

1999122196992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1999122196992 is an abundant number, since it is smaller than the sum of its proper divisors (3326664285024).

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

1999122196992 is an equidigital number, since it uses as much as digits as its factorization.

1999122196992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301511868 (or 1301511852 counting only the distinct ones).

The product of its digits is 25509168, while the sum is 69.

The spelling of 1999122196992 in words is "one trillion, nine hundred ninety-nine billion, one hundred twenty-two million, one hundred ninety-six thousand, nine hundred ninety-two".