12934479123 has 12 divisors (see below), whose sum is σ = 18686201040. Its totient is φ = 8621571696.

The previous prime is 12934479119. The next prime is 12934479143. The reversal of 12934479123 is 32197443921.

12934479123 is a `hidden beast` number, since 1 + 29 + 34 + 479 + 123 = 666.

12934479123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12934479123 - 2² = 12934479119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12934479113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58368 + ... + 171101.

It is an arithmetic number, because the mean of its divisors is an integer number (1557183420).

Almost surely, 2^12934479123 is an apocalyptic number.

12934479123 is a deficient number, since it is larger than the sum of its proper divisors (5751721917).

12934479123 is a wasteful number, since it uses less digits than its factorization.

12934479123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235738 (or 235735 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The spelling of 12934479123 in words is "twelve billion, nine hundred thirty-four million, four hundred seventy-nine thousand, one hundred twenty-three".