12912709674 has 32 divisors (see below), whose sum is σ = 26275875840. Its totient is φ = 4229231472.

The previous prime is 12912709637. The next prime is 12912709687. The reversal of 12912709674 is 47690721921.

It is a super-2 number, since 2×12912709674² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835929 + ... + 851235.

It is an arithmetic number, because the mean of its divisors is an integer number (821121120).

Almost surely, 2^12912709674 is an apocalyptic number.

12912709674 is an abundant number, since it is smaller than the sum of its proper divisors (13363166166).

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

12912709674 is a wasteful number, since it uses less digits than its factorization.

12912709674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17754.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 12912709674 in words is "twelve billion, nine hundred twelve million, seven hundred nine thousand, six hundred seventy-four".