12444043041 has 10 divisors (see below), whose sum is σ = 18589249602. Its totient is φ = 8296028640.

The previous prime is 12444043009. The next prime is 12444043049. The reversal of 12444043041 is 14034044421.

It can be written as a sum of positive squares in only one way, i.e., 11896483041 + 547560000 = 109071^2 + 23400^2 .

It is not a de Polignac number, because 12444043041 - 2⁵ = 12444043009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12444042996 and 12444043014.

It is not an unprimeable number, because it can be changed into a prime (12444043049) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76815000 + ... + 76815161.

Almost surely, 2^12444043041 is an apocalyptic number.

It is an amenable number.

12444043041 is a deficient number, since it is larger than the sum of its proper divisors (6145206561).

12444043041 is an equidigital number, since it uses as much as digits as its factorization.

12444043041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153630173 (or 153630164 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12444043041 its reverse (14034044421), we get a palindrome (26478087462).

The spelling of 12444043041 in words is "twelve billion, four hundred forty-four million, forty-three thousand, forty-one".