12009492169992 has 80 divisors (see below), whose sum is σ = 33638241290940. Its totient is φ = 4003099398144.

The previous prime is 12009492169981. The next prime is 12009492170029. The reversal of 12009492169992 is 29996129490021.

12009492169992 is a `hidden beast` number, since 1 + 200 + 9 + 49 + 216 + 99 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9870743867076 + 2138748302916 = 3141774^2 + 1462446^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 56576568 + ... + 56788440.

Almost surely, 2^{12009492169992} is an apocalyptic number.

12009492169992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12009492169992 is an abundant number, since it is smaller than the sum of its proper divisors (21628749120948).

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

12009492169992 is a wasteful number, since it uses less digits than its factorization.

12009492169992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299364 (or 299351 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 63.

The spelling of 12009492169992 in words is "twelve trillion, nine billion, four hundred ninety-two million, one hundred sixty-nine thousand, nine hundred ninety-two".