12112132213 has 2 divisors, whose sum is σ = 12112132214. Its totient is φ = 12112132212.

The previous prime is 12112132177. The next prime is 12112132229. The reversal of 12112132213 is 31223121121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12042209169 + 69923044 = 109737^2 + 8362^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112132213 - 2⁹ = 12112131701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112132313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056066106 + 6056066107.

It is an arithmetic number, because the mean of its divisors is an integer number (6056066107).

Almost surely, 2^12112132213 is an apocalyptic number.

It is an amenable number.

12112132213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112132213 is an equidigital number, since it uses as much as digits as its factorization.

12112132213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

Adding to 12112132213 its reverse (31223121121), we get a palindrome (43335253334).

The spelling of 12112132213 in words is "twelve billion, one hundred twelve million, one hundred thirty-two thousand, two hundred thirteen".