12786336928268 has 24 divisors (see below), whose sum is σ = 22938146805168. Its totient is φ = 6234060770496.

The previous prime is 12786336928243. The next prime is 12786336928297. The reversal of 12786336928268 is 86282963368721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184974371 + ... + 185043482.

It is an arithmetic number, because the mean of its divisors is an integer number (955756116882).

Almost surely, 2^{12786336928268} is an apocalyptic number.

It is an amenable number.

12786336928268 is a deficient number, since it is larger than the sum of its proper divisors (10151809876900).

12786336928268 is a wasteful number, since it uses less digits than its factorization.

12786336928268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370018073 (or 370018071 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 71.

The spelling of 12786336928268 in words is "twelve trillion, seven hundred eighty-six billion, three hundred thirty-six million, nine hundred twenty-eight thousand, two hundred sixty-eight".