12706663405628 has 24 divisors (see below), whose sum is σ = 22595114430000. Its totient is φ = 6251713432448.

The previous prime is 12706663405627. The next prime is 12706663405661. The reversal of 12706663405628 is 82650436660721.

It is a super-2 number, since 2×12706663405628² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12706663405621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99561953 + ... + 99689496.

It is an arithmetic number, because the mean of its divisors is an integer number (941463101250).

Almost surely, 2^{12706663405628} is an apocalyptic number.

It is an amenable number.

12706663405628 is a deficient number, since it is larger than the sum of its proper divisors (9888451024372).

12706663405628 is a wasteful number, since it uses less digits than its factorization.

12706663405628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199251709 (or 199251707 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 12706663405628 in words is "twelve trillion, seven hundred six billion, six hundred sixty-three million, four hundred five thousand, six hundred twenty-eight".