12906609822 has 40 divisors (see below), whose sum is σ = 28928149536. Its totient is φ = 4301045568.

The previous prime is 12906609817. The next prime is 12906609839. The reversal of 12906609822 is 22890660921.

12906609822 is a `hidden beast` number, since 12 + 9 + 0 + 6 + 609 + 8 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 766518 + ... + 783174.

Almost surely, 2^12906609822 is an apocalyptic number.

12906609822 is an abundant number, since it is smaller than the sum of its proper divisors (16021539714).

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

12906609822 is a wasteful number, since it uses less digits than its factorization.

12906609822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21454 (or 21445 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 12906609822 in words is "twelve billion, nine hundred six million, six hundred nine thousand, eight hundred twenty-two".