12443140343244 has 96 divisors (see below), whose sum is σ = 32039760614400. Its totient is φ = 3734138073600.

The previous prime is 12443140343191. The next prime is 12443140343261. The reversal of 12443140343244 is 44234304134421.

It is a happy number.

12443140343244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20805549 + ... + 21395259.

It is an arithmetic number, because the mean of its divisors is an integer number (333747506400).

Almost surely, 2^{12443140343244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12443140343244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16019880307200).

12443140343244 is an abundant number, since it is smaller than the sum of its proper divisors (19596620271156).

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

12443140343244 is a wasteful number, since it uses less digits than its factorization.

12443140343244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593071 (or 593069 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 12443140343244 its reverse (44234304134421), we get a palindrome (56677444477665).

The spelling of 12443140343244 in words is "twelve trillion, four hundred forty-three billion, one hundred forty million, three hundred forty-three thousand, two hundred forty-four".