12231105609 has 12 divisors (see below), whose sum is σ = 16715608688. Its totient is φ = 7955187360.

The previous prime is 12231105599. The next prime is 12231105637. The reversal of 12231105609 is 90650113221.

12231105609 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 12231105609 - 2⁹ = 12231105097 is a prime.

It is a super-2 number, since 2×12231105609² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231106609) 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, 1207639 + ... + 1217724.

Almost surely, 2^12231105609 is an apocalyptic number.

It is an amenable number.

12231105609 is a deficient number, since it is larger than the sum of its proper divisors (4484503079).

12231105609 is an equidigital number, since it uses as much as digits as its factorization.

12231105609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425448 (or 2425407 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 12231105609 in words is "twelve billion, two hundred thirty-one million, one hundred five thousand, six hundred nine".