12055166572 has 6 divisors (see below), whose sum is σ = 21096541508. Its totient is φ = 6027583284.

The previous prime is 12055166567. The next prime is 12055166639. The reversal of 12055166572 is 27566155021.

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 as a sum of consecutive naturals, namely, 1506895818 + ... + 1506895825.

Almost surely, 2^12055166572 is an apocalyptic number.

It is an amenable number.

12055166572 is a deficient number, since it is larger than the sum of its proper divisors (9041374936).

12055166572 is a wasteful number, since it uses less digits than its factorization.

12055166572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013791647 (or 3013791645 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 12055166572 in words is "twelve billion, fifty-five million, one hundred sixty-six thousand, five hundred seventy-two".