12112211347 has 2 divisors, whose sum is σ = 12112211348. Its totient is φ = 12112211346.

The previous prime is 12112211273. The next prime is 12112211383. The reversal of 12112211347 is 74311221121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112211347 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112211047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056105673 + 6056105674.

It is an arithmetic number, because the mean of its divisors is an integer number (6056105674).

Almost surely, 2^12112211347 is an apocalyptic number.

12112211347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112211347 is an equidigital number, since it uses as much as digits as its factorization.

12112211347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 25.

Adding to 12112211347 its reverse (74311221121), we get a palindrome (86423432468).

The spelling of 12112211347 in words is "twelve billion, one hundred twelve million, two hundred eleven thousand, three hundred forty-seven".