12110012309 has 4 divisors (see below), whose sum is σ = 12112975116. Its totient is φ = 12107049504.

The previous prime is 12110012209. The next prime is 12110012359. The reversal of 12110012309 is 90321001121.

12110012309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4819414084 + 7290598225 = 69422^2 + 85385^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110012309 - 2⁸ = 12110012053 is a prime.

It is a super-2 number, since 2×12110012309² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110012359) 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 3 ways as a sum of consecutive naturals, for example, 1475264 + ... + 1483449.

It is an arithmetic number, because the mean of its divisors is an integer number (3028243779).

Almost surely, 2^12110012309 is an apocalyptic number.

It is an amenable number.

12110012309 is a deficient number, since it is larger than the sum of its proper divisors (2962807).

12110012309 is an equidigital number, since it uses as much as digits as its factorization.

12110012309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962806.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 12110012309 in words is "twelve billion, one hundred ten million, twelve thousand, three hundred nine".