12234111997 has 2 divisors, whose sum is σ = 12234111998. Its totient is φ = 12234111996.

The previous prime is 12234111949. The next prime is 12234112003. The reversal of 12234111997 is 79911143221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10967535076 + 1266576921 = 104726^2 + 35589^2 .

It is a cyclic number.

It is not a de Polignac number, because 12234111997 - 2¹¹ = 12234109949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12234111947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117055998 + 6117055999.

It is an arithmetic number, because the mean of its divisors is an integer number (6117055999).

Almost surely, 2^12234111997 is an apocalyptic number.

It is an amenable number.

12234111997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12234111997 is an equidigital number, since it uses as much as digits as its factorization.

12234111997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 40.

The spelling of 12234111997 in words is "twelve billion, two hundred thirty-four million, one hundred eleven thousand, nine hundred ninety-seven".