12426443305 has 16 divisors (see below), whose sum is σ = 15461798400. Its totient is φ = 9576038080.

The previous prime is 12426443287. The next prime is 12426443333. The reversal of 12426443305 is 50334462421.

12426443305 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 12426443305 - 2⁵ = 12426443273 is a prime.

It is a super-3 number, since 3×12426443305³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36925 + ... + 161914.

It is an arithmetic number, because the mean of its divisors is an integer number (966362400).

Almost surely, 2^12426443305 is an apocalyptic number.

It is an amenable number.

12426443305 is a deficient number, since it is larger than the sum of its proper divisors (3035355095).

12426443305 is a wasteful number, since it uses less digits than its factorization.

12426443305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199304.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 12426443305 in words is "twelve billion, four hundred twenty-six million, four hundred forty-three thousand, three hundred five".