12444431311022 has 16 divisors (see below), whose sum is σ = 19845754284960. Its totient is φ = 5839388604192.

The previous prime is 12444431310973. The next prime is 12444431311031. The reversal of 12444431311022 is 22011313444421.

It is a self number, because there is not a number n which added to its sum of digits gives 12444431311022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2552177897 + ... + 2552182772.

It is an arithmetic number, because the mean of its divisors is an integer number (1240359642810).

Almost surely, 2^{12444431311022} is an apocalyptic number.

12444431311022 is a deficient number, since it is larger than the sum of its proper divisors (7401322973938).

12444431311022 is a wasteful number, since it uses less digits than its factorization.

12444431311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104360747.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 12444431311022 its reverse (22011313444421), we get a palindrome (34455744755443).

The spelling of 12444431311022 in words is "twelve trillion, four hundred forty-four billion, four hundred thirty-one million, three hundred eleven thousand, twenty-two".