12006617976 has 48 divisors (see below), whose sum is σ = 32602901760. Its totient is φ = 3991747200.

The previous prime is 12006617971. The next prime is 12006617977. The reversal of 12006617976 is 67971660021.

It is a happy number.

12006617976 is a `hidden beast` number, since 1 + 20 + 0 + 6 + 617 + 9 + 7 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12006617971) 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 11 ways as a sum of consecutive naturals, for example, 190125 + ... + 245276.

It is an arithmetic number, because the mean of its divisors is an integer number (679227120).

Almost surely, 2^12006617976 is an apocalyptic number.

It is an amenable number.

12006617976 is an abundant number, since it is smaller than the sum of its proper divisors (20596283784).

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

12006617976 is a wasteful number, since it uses less digits than its factorization.

12006617976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435796 (or 435789 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 12006617976 in words is "twelve billion, six million, six hundred seventeen thousand, nine hundred seventy-six".