12030985564 has 36 divisors (see below), whose sum is σ = 23303285544. Its totient is φ = 5402655936.

The previous prime is 12030985541. The next prime is 12030985591. The reversal of 12030985564 is 46558903021.

It is a super-2 number, since 2×12030985564² (a number of 21 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 12030985564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13314 + ... + 155689.

Almost surely, 2^12030985564 is an apocalyptic number.

It is an amenable number.

12030985564 is a deficient number, since it is larger than the sum of its proper divisors (11272299980).

12030985564 is a wasteful number, since it uses less digits than its factorization.

12030985564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169094 (or 169055 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 12030985564 in words is "twelve billion, thirty million, nine hundred eighty-five thousand, five hundred sixty-four".