12443313044 has 24 divisors (see below), whose sum is σ = 21870256128. Its totient is φ = 6194725920.

The previous prime is 12443313017. The next prime is 12443313089. The reversal of 12443313044 is 44031334421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12443312998 and 12443313016.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 923234 + ... + 936614.

It is an arithmetic number, because the mean of its divisors is an integer number (911260672).

Almost surely, 2^12443313044 is an apocalyptic number.

It is an amenable number.

12443313044 is a deficient number, since it is larger than the sum of its proper divisors (9426943084).

12443313044 is a wasteful number, since it uses less digits than its factorization.

12443313044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14375 (or 14373 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12443313044 its reverse (44031334421), we get a palindrome (56474647465).

The spelling of 12443313044 in words is "twelve billion, four hundred forty-three million, three hundred thirteen thousand, forty-four".