12144441999 has 8 divisors (see below), whose sum is σ = 16221662640. Its totient is φ = 8081758016.

The previous prime is 12144441989. The next prime is 12144442007. The reversal of 12144441999 is 99914444121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12144441999 - 2¹⁶ = 12144376463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144441949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3632214 + ... + 3635555.

It is an arithmetic number, because the mean of its divisors is an integer number (2027707830).

Almost surely, 2^12144441999 is an apocalyptic number.

12144441999 is a deficient number, since it is larger than the sum of its proper divisors (4077220641).

12144441999 is an equidigital number, since it uses as much as digits as its factorization.

12144441999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268329.

The product of its digits is 373248, while the sum is 48.

The spelling of 12144441999 in words is "twelve billion, one hundred forty-four million, four hundred forty-one thousand, nine hundred ninety-nine".