12426756233 has 16 divisors (see below), whose sum is σ = 13064842560. Its totient is φ = 11808792576.

The previous prime is 12426756179. The next prime is 12426756259. The reversal of 12426756233 is 33265762421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12426756233 - 2⁸ = 12426755977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12426716233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220841 + ... + 271337.

It is an arithmetic number, because the mean of its divisors is an integer number (816552660).

Almost surely, 2^12426756233 is an apocalyptic number.

It is an amenable number.

12426756233 is a deficient number, since it is larger than the sum of its proper divisors (638086327).

12426756233 is an equidigital number, since it uses as much as digits as its factorization.

12426756233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50696.

The product of its digits is 362880, while the sum is 41.

The spelling of 12426756233 in words is "twelve billion, four hundred twenty-six million, seven hundred fifty-six thousand, two hundred thirty-three".