12444221344424 has 16 divisors (see below), whose sum is σ = 23334709089600. Its totient is φ = 6221632253872.

The previous prime is 12444221344361. The next prime is 12444221344439. The reversal of 12444221344424 is 42444312244421.

It is a happy number.

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, 59691734 + ... + 59899845.

It is an arithmetic number, because the mean of its divisors is an integer number (1458419318100).

Almost surely, 2^{12444221344424} is an apocalyptic number.

It is an amenable number.

12444221344424 is a deficient number, since it is larger than the sum of its proper divisors (10890487745176).

12444221344424 is a wasteful number, since it uses less digits than its factorization.

12444221344424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119604592 (or 119604588 counting only the distinct ones).

The product of its digits is 786432, while the sum is 41.

Adding to 12444221344424 its reverse (42444312244421), we get a palindrome (54888533588845).

The spelling of 12444221344424 in words is "twelve trillion, four hundred forty-four billion, two hundred twenty-one million, three hundred forty-four thousand, four hundred twenty-four".