12081088992 has 48 divisors (see below), whose sum is σ = 36243268992. Its totient is φ = 3451739520.

The previous prime is 12081088969. The next prime is 12081089021. The reversal of 12081088992 is 29988018021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×12081088992² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 8988234 + ... + 8989577.

It is an arithmetic number, because the mean of its divisors is an integer number (755068104).

Almost surely, 2^12081088992 is an apocalyptic number.

12081088992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12081088992 is an abundant number, since it is smaller than the sum of its proper divisors (24162180000).

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

12081088992 is a wasteful number, since it uses less digits than its factorization.

12081088992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17977831 (or 17977823 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The spelling of 12081088992 in words is "twelve billion, eighty-one million, eighty-eight thousand, nine hundred ninety-two".