12956783322 has 16 divisors (see below), whose sum is σ = 29615504832. Its totient is φ = 3701938080.

The previous prime is 12956783317. The next prime is 12956783347. The reversal of 12956783322 is 22338765921.

12956783322 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 154247379 + ... + 154247462.

It is an arithmetic number, because the mean of its divisors is an integer number (1850969052).

Almost surely, 2^12956783322 is an apocalyptic number.

12956783322 is an abundant number, since it is smaller than the sum of its proper divisors (16658721510).

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

12956783322 is a wasteful number, since it uses less digits than its factorization.

12956783322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308494853.

The product of its digits is 1088640, while the sum is 48.

The spelling of 12956783322 in words is "twelve billion, nine hundred fifty-six million, seven hundred eighty-three thousand, three hundred twenty-two".