12214424444144 has 80 divisors (see below), whose sum is σ = 26086882332672. Its totient is φ = 5505024655104.

The previous prime is 12214424444081. The next prime is 12214424444149. The reversal of 12214424444144 is 44144442441221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214424444149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2920577 + ... + 5740959.

Almost surely, 2^{12214424444144} 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 12214424444144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13043441166336).

12214424444144 is an abundant number, since it is smaller than the sum of its proper divisors (13872457888528).

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

12214424444144 is a wasteful number, since it uses less digits than its factorization.

12214424444144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820894 (or 2820888 counting only the distinct ones).

The product of its digits is 524288, while the sum is 41.

Adding to 12214424444144 its reverse (44144442441221), we get a palindrome (56358866885365).

The spelling of 12214424444144 in words is "twelve trillion, two hundred fourteen billion, four hundred twenty-four million, four hundred forty-four thousand, one hundred forty-four".