12144324013 has 2 divisors, whose sum is σ = 12144324014. Its totient is φ = 12144324012.

The previous prime is 12144323987. The next prime is 12144324029. The reversal of 12144324013 is 31042344121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11997478089 + 146845924 = 109533^2 + 12118^2 .

It is a cyclic number.

It is not a de Polignac number, because 12144324013 - 2⁵ = 12144323981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12144324043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072162006 + 6072162007.

It is an arithmetic number, because the mean of its divisors is an integer number (6072162007).

Almost surely, 2^12144324013 is an apocalyptic number.

It is an amenable number.

12144324013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144324013 is an equidigital number, since it uses as much as digits as its factorization.

12144324013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12144324013 its reverse (31042344121), we get a palindrome (43186668134).

The spelling of 12144324013 in words is "twelve billion, one hundred forty-four million, three hundred twenty-four thousand, thirteen".