12211323112073 has 2 divisors, whose sum is σ = 12211323112074. Its totient is φ = 12211323112072.

The previous prime is 12211323111959. The next prime is 12211323112081. The reversal of 12211323112073 is 37021132311221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11893759305289 + 317563806784 = 3448733^2 + 563528^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211323112073 - 2³² = 12207028144777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12211323111073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105661556036 + 6105661556037.

It is an arithmetic number, because the mean of its divisors is an integer number (6105661556037).

Almost surely, 2^{12211323112073} is an apocalyptic number.

It is an amenable number.

12211323112073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211323112073 is an equidigital number, since it uses as much as digits as its factorization.

12211323112073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 12211323112073 its reverse (37021132311221), we get a palindrome (49232455423294).

The spelling of 12211323112073 in words is "twelve trillion, two hundred eleven billion, three hundred twenty-three million, one hundred twelve thousand, seventy-three".