12444113022 has 64 divisors (see below), whose sum is σ = 27739100160. Its totient is φ = 3690086400.

The previous prime is 12444113021. The next prime is 12444113047. The reversal of 12444113022 is 22031144421.

It is a junction number, because it is equal to n+sod(n) for n = 12444112983 and 12444113001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444113021) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 578622 + ... + 599742.

It is an arithmetic number, because the mean of its divisors is an integer number (433423440).

Almost surely, 2^12444113022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12444113022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13869550080).

12444113022 is an abundant number, since it is smaller than the sum of its proper divisors (15294987138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12444113022 is a wasteful number, since it uses less digits than its factorization.

12444113022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21329.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12444113022 its reverse (22031144421), we get a palindrome (34475257443).

The spelling of 12444113022 in words is "twelve billion, four hundred forty-four million, one hundred thirteen thousand, twenty-two".