12006665992944 has 240 divisors, whose sum is σ = 41383522237440. Its totient is φ = 3319815300480.

The previous prime is 12006665992939. The next prime is 12006665992963. The reversal of 12006665992944 is 44929956660021.

It is a super-2 number, since 2×12006665992944² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8492314 + ... + 9804729.

It is an arithmetic number, because the mean of its divisors is an integer number (172431342656).

Almost surely, 2^{12006665992944} is an apocalyptic number.

12006665992944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12006665992944 is an abundant number, since it is smaller than the sum of its proper divisors (29376856244496).

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

12006665992944 is a wasteful number, since it uses less digits than its factorization.

12006665992944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297105 (or 18297086 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 12006665992944 in words is "twelve trillion, six billion, six hundred sixty-five million, nine hundred ninety-two thousand, nine hundred forty-four".