12052206166556 has 6 divisors (see below), whose sum is σ = 21091360791480. Its totient is φ = 6026103083276.

The previous prime is 12052206166547. The next prime is 12052206166597. The reversal of 12052206166556 is 65566160225021.

It is a super-2 number, since 2×12052206166556² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12052206166556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506525770816 + ... + 1506525770823.

It is an arithmetic number, because the mean of its divisors is an integer number (3515226798580).

Almost surely, 2^{12052206166556} is an apocalyptic number.

It is an amenable number.

12052206166556 is a deficient number, since it is larger than the sum of its proper divisors (9039154624924).

12052206166556 is a wasteful number, since it uses less digits than its factorization.

12052206166556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013051541643 (or 3013051541641 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 12052206166556 in words is "twelve trillion, fifty-two billion, two hundred six million, one hundred sixty-six thousand, five hundred fifty-six".