12885677021794 has 16 divisors (see below), whose sum is σ = 20487516672600. Its totient is φ = 6057320710144.

The previous prime is 12885677021753. The next prime is 12885677021857. The reversal of 12885677021794 is 49712077658821.

12885677021794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11310865364569 + 1574811657225 = 3363163^2 + 1254915^2 .

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, 203946079 + ... + 204009250.

Almost surely, 2^{12885677021794} is an apocalyptic number.

12885677021794 is a deficient number, since it is larger than the sum of its proper divisors (7601839650806).

12885677021794 is a wasteful number, since it uses less digits than its factorization.

12885677021794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407956277.

The product of its (nonzero) digits is 94832640, while the sum is 67.

The spelling of 12885677021794 in words is "twelve trillion, eight hundred eighty-five billion, six hundred seventy-seven million, twenty-one thousand, seven hundred ninety-four".