12244223144 has 32 divisors (see below), whose sum is σ = 24180016320. Its totient is φ = 5801195136.

The previous prime is 12244223129. The next prime is 12244223161. The reversal of 12244223144 is 44132244221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291269 + ... + 330644.

It is an arithmetic number, because the mean of its divisors is an integer number (755625510).

Almost surely, 2^12244223144 is an apocalyptic number.

It is an amenable number.

12244223144 is a deficient number, since it is larger than the sum of its proper divisors (11935793176).

12244223144 is a wasteful number, since it uses less digits than its factorization.

12244223144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622049 (or 622045 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

Adding to 12244223144 its reverse (44132244221), we get a palindrome (56376467365).

The spelling of 12244223144 in words is "twelve billion, two hundred forty-four million, two hundred twenty-three thousand, one hundred forty-four".