12772775322 has 48 divisors (see below), whose sum is σ = 28021748040. Its totient is φ = 4204368000.

The previous prime is 12772775321. The next prime is 12772775329. The reversal of 12772775322 is 22357727721.

12772775322 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 12708278361 + 64496961 = 112731^2 + 8031^2 .

It is not an unprimeable number, because it can be changed into a prime (12772775321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 698172 + ... + 716232.

Almost surely, 2^12772775322 is an apocalyptic number.

12772775322 is an abundant number, since it is smaller than the sum of its proper divisors (15248972718).

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

12772775322 is a wasteful number, since it uses less digits than its factorization.

12772775322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18559 (or 18556 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The spelling of 12772775322 in words is "twelve billion, seven hundred seventy-two million, seven hundred seventy-five thousand, three hundred twenty-two".