12144443995 has 4 divisors (see below), whose sum is σ = 14573332800. Its totient is φ = 9715555192.

The previous prime is 12144443977. The next prime is 12144444007. The reversal of 12144443995 is 59934444121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12144443995 - 2³³ = 3554509403 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1214444395 + ... + 1214444404.

It is an arithmetic number, because the mean of its divisors is an integer number (3643333200).

Almost surely, 2^12144443995 is an apocalyptic number.

12144443995 is a deficient number, since it is larger than the sum of its proper divisors (2428888805).

12144443995 is an equidigital number, since it uses as much as digits as its factorization.

12144443995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428888804.

The product of its digits is 622080, while the sum is 46.

The spelling of 12144443995 in words is "twelve billion, one hundred forty-four million, four hundred forty-three thousand, nine hundred ninety-five".