12479721174 has 12 divisors (see below), whose sum is σ = 27039395916. Its totient is φ = 4159907052.

The previous prime is 12479721101. The next prime is 12479721193. The reversal of 12479721174 is 47112797421.

12479721174 is a `hidden beast` number, since 1 + 2 + 479 + 7 + 2 + 1 + 174 = 666.

It is a congruent number.

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, 346658904 + ... + 346658939.

It is an arithmetic number, because the mean of its divisors is an integer number (2253282993).

Almost surely, 2^12479721174 is an apocalyptic number.

12479721174 is an abundant number, since it is smaller than the sum of its proper divisors (14559674742).

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

12479721174 is a wasteful number, since it uses less digits than its factorization.

12479721174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693317851 (or 693317848 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The spelling of 12479721174 in words is "twelve billion, four hundred seventy-nine million, seven hundred twenty-one thousand, one hundred seventy-four".