12112212223 has 2 divisors, whose sum is σ = 12112212224. Its totient is φ = 12112212222.

The previous prime is 12112212197. The next prime is 12112212227. The reversal of 12112212223 is 32221221121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112212223 - 2⁵ = 12112212191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12112212223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112212227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056106111 + 6056106112.

It is an arithmetic number, because the mean of its divisors is an integer number (6056106112).

Almost surely, 2^12112212223 is an apocalyptic number.

12112212223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112212223 is an equidigital number, since it uses as much as digits as its factorization.

12112212223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

Adding to 12112212223 its reverse (32221221121), we get a palindrome (44333433344).

The spelling of 12112212223 in words is "twelve billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-three".