12426873426 has 48 divisors (see below), whose sum is σ = 29382170688. Its totient is φ = 3764493600.

The previous prime is 12426873353. The next prime is 12426873427. The reversal of 12426873426 is 62437862421.

It is a happy number.

12426873426 is a `hidden beast` number, since 1 + 242 + 68 + 7 + 342 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (12426873427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 737536 + ... + 754196.

It is an arithmetic number, because the mean of its divisors is an integer number (612128556).

Almost surely, 2^12426873426 is an apocalyptic number.

12426873426 is an abundant number, since it is smaller than the sum of its proper divisors (16955297262).

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

12426873426 is a wasteful number, since it uses less digits than its factorization.

12426873426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20447 (or 20444 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 12426873426 in words is "twelve billion, four hundred twenty-six million, eight hundred seventy-three thousand, four hundred twenty-six".