1012022011992 has 32 divisors (see below), whose sum is σ = 2531101950000. Its totient is φ = 337201081344.

The previous prime is 1012022011991. The next prime is 1012022011997. The reversal of 1012022011992 is 2991102202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012022011991) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8665117 + ... + 8781132.

Almost surely, 2^{1012022011992} is an apocalyptic number.

1012022011992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012022011992 is an abundant number, since it is smaller than the sum of its proper divisors (1519079938008).

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

1012022011992 is a wasteful number, since it uses less digits than its factorization.

1012022011992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17448675 (or 17448671 counting only the distinct ones).

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

The spelling of 1012022011992 in words is "one trillion, twelve billion, twenty-two million, eleven thousand, nine hundred ninety-two".