12144565816319 has 2 divisors, whose sum is σ = 12144565816320. Its totient is φ = 12144565816318.

The previous prime is 12144565816297. The next prime is 12144565816333. The reversal of 12144565816319 is 91361856544121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12144565816319 - 2⁴⁰ = 11045054188543 is a prime.

It is a super-2 number, since 2×12144565816319² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12144565816919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072282908159 + 6072282908160.

It is an arithmetic number, because the mean of its divisors is an integer number (6072282908160).

Almost surely, 2^{12144565816319} is an apocalyptic number.

12144565816319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144565816319 is an equidigital number, since it uses as much as digits as its factorization.

12144565816319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 56.

The spelling of 12144565816319 in words is "twelve trillion, one hundred forty-four billion, five hundred sixty-five million, eight hundred sixteen thousand, three hundred nineteen".