2012021011992 has 32 divisors (see below), whose sum is σ = 5325937974000. Its totient is φ = 631222278144.

The previous prime is 2012021011963. The next prime is 2012021012033. The reversal of 2012021011992 is 2991101202102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465711617 + ... + 2465712432.

Almost surely, 2^{2012021011992} is an apocalyptic number.

It is an amenable number.

2012021011992 is an abundant number, since it is smaller than the sum of its proper divisors (3313916962008).

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

2012021011992 is a wasteful number, since it uses less digits than its factorization.

2012021011992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931424075 (or 4931424071 counting only the distinct ones).

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

The spelling of 2012021011992 in words is "two trillion, twelve billion, twenty-one million, eleven thousand, nine hundred ninety-two".