12112210189 has 2 divisors, whose sum is σ = 12112210190. Its totient is φ = 12112210188.

The previous prime is 12112210177. The next prime is 12112210199. The reversal of 12112210189 is 98101221121.

12112210189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9072562500 + 3039647689 = 95250^2 + 55133^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112210189 - 2⁵ = 12112210157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112210199) 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, 6056105094 + 6056105095.

It is an arithmetic number, because the mean of its divisors is an integer number (6056105095).

Almost surely, 2^12112210189 is an apocalyptic number.

It is an amenable number.

12112210189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112210189 is an equidigital number, since it uses as much as digits as its factorization.

12112210189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 12112210189 in words is "twelve billion, one hundred twelve million, two hundred ten thousand, one hundred eighty-nine".