12443204444 has 24 divisors (see below), whose sum is σ = 23990417136. Its totient is φ = 5600000000.

The previous prime is 12443204419. The next prime is 12443204461. The reversal of 12443204444 is 44440234421.

It is a self number, because there is not a number n which added to its sum of digits gives 12443204444.

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, 1395557 + ... + 1404444.

It is an arithmetic number, because the mean of its divisors is an integer number (999600714).

Almost surely, 2^12443204444 is an apocalyptic number.

It is an amenable number.

12443204444 is a deficient number, since it is larger than the sum of its proper divisors (11547212692).

12443204444 is a wasteful number, since it uses less digits than its factorization.

12443204444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800117 (or 2800115 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 12443204444 its reverse (44440234421), we get a palindrome (56883438865).

The spelling of 12443204444 in words is "twelve billion, four hundred forty-three million, two hundred four thousand, four hundred forty-four".