12779304424 has 16 divisors (see below), whose sum is σ = 23968818720. Its totient is φ = 6387619440.

The previous prime is 12779304389. The next prime is 12779304469. The reversal of 12779304424 is 42440397721.

It is a super-2 number, since 2×12779304424² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227212 + ... + 277819.

It is an arithmetic number, because the mean of its divisors is an integer number (1498051170).

Almost surely, 2^12779304424 is an apocalyptic number.

It is an amenable number.

12779304424 is a deficient number, since it is larger than the sum of its proper divisors (11189514296).

12779304424 is a wasteful number, since it uses less digits than its factorization.

12779304424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508200 (or 508196 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 12779304424 in words is "twelve billion, seven hundred seventy-nine million, three hundred four thousand, four hundred twenty-four".