12112307 has 4 divisors (see below), whose sum is σ = 12200856. Its totient is φ = 12023760.

The previous prime is 12112297. The next prime is 12112319. The reversal of 12112307 is 70321121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70321121 = 13 ⋅5409317.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112337) 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 3 ways as a sum of consecutive naturals, for example, 44069 + ... + 44342.

It is an arithmetic number, because the mean of its divisors is an integer number (3050214).

Almost surely, 2^12112307 is an apocalyptic number.

12112307 is a deficient number, since it is larger than the sum of its proper divisors (88549).

12112307 is an equidigital number, since it uses as much as digits as its factorization.

12112307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88548.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 12112307 is about 3480.2739834674. The cubic root of 12112307 is about 229.6548509318.

Adding to 12112307 its reverse (70321121), we get a palindrome (82433428).

The spelling of 12112307 in words is "twelve million, one hundred twelve thousand, three hundred seven".