12440114447 has 2 divisors, whose sum is σ = 12440114448. Its totient is φ = 12440114446.

The previous prime is 12440114389. The next prime is 12440114503. The reversal of 12440114447 is 74441104421.

It is a strong prime.

It is an emirp because it is prime and its reverse (74441104421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12440114447 - 2²⁶ = 12373005583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440114047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220057223 + 6220057224.

It is an arithmetic number, because the mean of its divisors is an integer number (6220057224).

Almost surely, 2^12440114447 is an apocalyptic number.

12440114447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440114447 is an equidigital number, since it uses as much as digits as its factorization.

12440114447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 32.

Adding to 12440114447 its reverse (74441104421), we get a palindrome (86881218868).

The spelling of 12440114447 in words is "twelve billion, four hundred forty million, one hundred fourteen thousand, four hundred forty-seven".