12112110233317 has 2 divisors, whose sum is σ = 12112110233318. Its totient is φ = 12112110233316.

The previous prime is 12112110233291. The next prime is 12112110233357. The reversal of 12112110233317 is 71333201121121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11545765184836 + 566345048481 = 3397906^2 + 752559^2 .

It is an emirp because it is prime and its reverse (71333201121121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12112110233317 - 2²⁷ = 12111976015589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112110233357) 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 as a sum of consecutive naturals, namely, 6056055116658 + 6056055116659.

It is an arithmetic number, because the mean of its divisors is an integer number (6056055116659).

Almost surely, 2^{12112110233317} is an apocalyptic number.

It is an amenable number.

12112110233317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112110233317 is an equidigital number, since it uses as much as digits as its factorization.

12112110233317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 12112110233317 its reverse (71333201121121), we get a palindrome (83445311354438).

The spelling of 12112110233317 in words is "twelve trillion, one hundred twelve billion, one hundred ten million, two hundred thirty-three thousand, three hundred seventeen".