12144223313 has 2 divisors, whose sum is σ = 12144223314. Its totient is φ = 12144223312.

The previous prime is 12144223277. The next prime is 12144223319. The reversal of 12144223313 is 31332244121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9279083584 + 2865139729 = 96328^2 + 53527^2 .

It is an emirp because it is prime and its reverse (31332244121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12144223313 is a prime.

It is not a weakly prime, because it can be changed into another prime (12144223319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072111656 + 6072111657.

It is an arithmetic number, because the mean of its divisors is an integer number (6072111657).

Almost surely, 2^12144223313 is an apocalyptic number.

It is an amenable number.

12144223313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144223313 is an equidigital number, since it uses as much as digits as its factorization.

12144223313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

Adding to 12144223313 its reverse (31332244121), we get a palindrome (43476467434).

The spelling of 12144223313 in words is "twelve billion, one hundred forty-four million, two hundred twenty-three thousand, three hundred thirteen".