12668055804906 has 32 divisors (see below), whose sum is σ = 26209986264000. Its totient is φ = 4077041888640.

The previous prime is 12668055804863. The next prime is 12668055804917. The reversal of 12668055804906 is 60940855086621.

It is a self number, because there is not a number n which added to its sum of digits gives 12668055804906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29283670 + ... + 29713118.

It is an arithmetic number, because the mean of its divisors is an integer number (819062070750).

Almost surely, 2^{12668055804906} is an apocalyptic number.

12668055804906 is an abundant number, since it is smaller than the sum of its proper divisors (13541930459094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12668055804906 is a wasteful number, since it uses less digits than its factorization.

12668055804906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599014.

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 12668055804906 in words is "twelve trillion, six hundred sixty-eight billion, fifty-five million, eight hundred four thousand, nine hundred six".