12884128652 has 12 divisors (see below), whose sum is σ = 22646553720. Its totient is φ = 6413684736.

The previous prime is 12884128639. The next prime is 12884128679. The reversal of 12884128652 is 25682148821.

It is a super-2 number, since 2×12884128652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12884128597 and 12884128606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7093877 + ... + 7095692.

It is an arithmetic number, because the mean of its divisors is an integer number (1887212810).

Almost surely, 2^12884128652 is an apocalyptic number.

It is an amenable number.

12884128652 is a deficient number, since it is larger than the sum of its proper divisors (9762425068).

12884128652 is a wasteful number, since it uses less digits than its factorization.

12884128652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14189800 (or 14189798 counting only the distinct ones).

The product of its digits is 491520, while the sum is 47.

The spelling of 12884128652 in words is "twelve billion, eight hundred eighty-four million, one hundred twenty-eight thousand, six hundred fifty-two".