12443441042 has 16 divisors (see below), whose sum is σ = 19123695864. Its totient is φ = 6068928000.

The previous prime is 12443441039. The next prime is 12443441047. The reversal of 12443441042 is 24014434421.

It can be written as a sum of positive squares in 4 ways, for example, as 3204578881 + 9238862161 = 56609^2 + 96119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12443440996 and 12443441014.

It is not an unprimeable number, because it can be changed into a prime (12443441047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709742 + ... + 727062.

Almost surely, 2^12443441042 is an apocalyptic number.

12443441042 is a deficient number, since it is larger than the sum of its proper divisors (6680254822).

12443441042 is a wasteful number, since it uses less digits than its factorization.

12443441042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26125.

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

Adding to 12443441042 its reverse (24014434421), we get a palindrome (36457875463).

The spelling of 12443441042 in words is "twelve billion, four hundred forty-three million, four hundred forty-one thousand, forty-two".