12322444344 has 96 divisors (see below), whose sum is σ = 35922243600. Its totient is φ = 3512194560.

The previous prime is 12322444331. The next prime is 12322444361. The reversal of 12322444344 is 44344422321.

It is a super-2 number, since 2×12322444344² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 482652 + ... + 507540.

Almost surely, 2^12322444344 is an apocalyptic number.

12322444344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12322444344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17961121800).

12322444344 is an abundant number, since it is smaller than the sum of its proper divisors (23599799256).

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

12322444344 is a wasteful number, since it uses less digits than its factorization.

12322444344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25333 (or 25322 counting only the distinct ones).

The product of its digits is 73728, while the sum is 33.

Adding to 12322444344 its reverse (44344422321), we get a palindrome (56666866665).

The spelling of 12322444344 in words is "twelve billion, three hundred twenty-two million, four hundred forty-four thousand, three hundred forty-four".