12912422908 has 24 divisors (see below), whose sum is σ = 28172559744. Its totient is φ = 5030814000.

The previous prime is 12912422891. The next prime is 12912422909. The reversal of 12912422908 is 80922421921.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12912422909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20961418 + ... + 20962033.

It is an arithmetic number, because the mean of its divisors is an integer number (1173856656).

Almost surely, 2^12912422908 is an apocalyptic number.

It is an amenable number.

12912422908 is an abundant number, since it is smaller than the sum of its proper divisors (15260136836).

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

12912422908 is a wasteful number, since it uses less digits than its factorization.

12912422908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41923473 (or 41923471 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 12912422908 in words is "twelve billion, nine hundred twelve million, four hundred twenty-two thousand, nine hundred eight".