12112211273 has 2 divisors, whose sum is σ = 12112211274. Its totient is φ = 12112211272.

The previous prime is 12112211261. The next prime is 12112211347. The reversal of 12112211273 is 37211221121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11081351824 + 1030859449 = 105268^2 + 32107^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112211273 - 2¹⁴ = 12112194889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112211213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056105636 + 6056105637.

It is an arithmetic number, because the mean of its divisors is an integer number (6056105637).

Almost surely, 2^12112211273 is an apocalyptic number.

It is an amenable number.

12112211273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112211273 is an equidigital number, since it uses as much as digits as its factorization.

12112211273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 23.

Adding to 12112211273 its reverse (37211221121), we get a palindrome (49323432394).

The spelling of 12112211273 in words is "twelve billion, one hundred twelve million, two hundred eleven thousand, two hundred seventy-three".