1122001309992 has 32 divisors (see below), whose sum is σ = 2844510367680. Its totient is φ = 368732824320.

The previous prime is 1122001309879. The next prime is 1122001310021. The reversal of 1122001309992 is 2999031002211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122001309992.

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, 329224033 + ... + 329227440.

It is an arithmetic number, because the mean of its divisors is an integer number (88890948990).

Almost surely, 2^{1122001309992} is an apocalyptic number.

1122001309992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122001309992 is an abundant number, since it is smaller than the sum of its proper divisors (1722509057688).

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

1122001309992 is a wasteful number, since it uses less digits than its factorization.

1122001309992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658451553 (or 658451549 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 1122001309992 in words is "one trillion, one hundred twenty-two billion, one million, three hundred nine thousand, nine hundred ninety-two".