12772774722 has 16 divisors (see below), whose sum is σ = 25581087360. Its totient is φ = 4251668592.

The previous prime is 12772774709. The next prime is 12772774733. The reversal of 12772774722 is 22747727721.

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, 1476073 + ... + 1484700.

It is an arithmetic number, because the mean of its divisors is an integer number (1598817960).

Almost surely, 2^12772774722 is an apocalyptic number.

12772774722 is an abundant number, since it is smaller than the sum of its proper divisors (12808312638).

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

12772774722 is a wasteful number, since it uses less digits than its factorization.

12772774722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961497.

The product of its digits is 1075648, while the sum is 48.

The spelling of 12772774722 in words is "twelve billion, seven hundred seventy-two million, seven hundred seventy-four thousand, seven hundred twenty-two".