12081329496 has 40 divisors (see below), whose sum is σ = 33838910820. Its totient is φ = 4027109616.

The previous prime is 12081329479. The next prime is 12081329543. The reversal of 12081329496 is 69492318021.

12081329496 is a `hidden beast` number, since 1 + 20 + 8 + 132 + 9 + 496 = 666.

It is a super-2 number, since 2×12081329496² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9321366 + ... + 9322661.

Almost surely, 2^12081329496 is an apocalyptic number.

It is an amenable number.

12081329496 is an abundant number, since it is smaller than the sum of its proper divisors (21757581324).

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

12081329496 is a wasteful number, since it uses less digits than its factorization.

12081329496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644045 (or 18644032 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 12081329496 in words is "twelve billion, eighty-one million, three hundred twenty-nine thousand, four hundred ninety-six".