12112112321189 has 2 divisors, whose sum is σ = 12112112321190. Its totient is φ = 12112112321188.

The previous prime is 12112112321149. The next prime is 12112112321203. The reversal of 12112112321189 is 98112321121121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9960228696289 + 2151883624900 = 3155983^2 + 1466930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112112321189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112112321149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056056160594 + 6056056160595.

It is an arithmetic number, because the mean of its divisors is an integer number (6056056160595).

Almost surely, 2^{12112112321189} is an apocalyptic number.

It is an amenable number.

12112112321189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112112321189 is an equidigital number, since it uses as much as digits as its factorization.

12112112321189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 35.

The spelling of 12112112321189 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, three hundred twenty-one thousand, one hundred eighty-nine".