12793280882 has 6 divisors (see below), whose sum is σ = 19190161263. Its totient is φ = 6396560462.

The previous prime is 12793280867. The next prime is 12793280891. The reversal of 12793280882 is 28808239721.

It can be written as a sum of positive squares in only one way, i.e., 6396640441 + 6396640441 = 79979^2 + 79979^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=79979.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12793280882.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 119969 + ... + 199947.

Almost surely, 2^12793280882 is an apocalyptic number.

12793280882 is a deficient number, since it is larger than the sum of its proper divisors (6396880381).

12793280882 is an frugal number, since it uses more digits than its factorization.

12793280882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159960 (or 79981 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

Multiplying 12793280882 by its sum of digits (50), we get a square (639664044100 = 799790²).

The spelling of 12793280882 in words is "twelve billion, seven hundred ninety-three million, two hundred eighty thousand, eight hundred eighty-two".