12722090386 has 12 divisors (see below), whose sum is σ = 20271705498. Its totient is φ = 5986865792.

The previous prime is 12722090287. The next prime is 12722090461. The reversal of 12722090386 is 68309022721.

It can be written as a sum of positive squares in 3 ways, for example, as 12120909025 + 601181361 = 110095^2 + 24519^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11004691 + ... + 11005846.

Almost surely, 2^12722090386 is an apocalyptic number.

12722090386 is a deficient number, since it is larger than the sum of its proper divisors (7549615112).

12722090386 is a wasteful number, since it uses less digits than its factorization.

12722090386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22010573 (or 22010556 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 12722090386 in words is "twelve billion, seven hundred twenty-two million, ninety thousand, three hundred eighty-six".