12444200311224 has 128 divisors (see below), whose sum is σ = 34090602024960. Its totient is φ = 3754116720000.

The previous prime is 12444200311199. The next prime is 12444200311253. The reversal of 12444200311224 is 42211300244421.

It is a junction number, because it is equal to n+sod(n) for n = 12444200311191 and 12444200311200.

It is a congruent number.

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, 92295939 + ... + 92430669.

It is an arithmetic number, because the mean of its divisors is an integer number (266332828320).

Almost surely, 2^{12444200311224} 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 12444200311224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17045301012480).

12444200311224 is an abundant number, since it is smaller than the sum of its proper divisors (21646401713736).

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

12444200311224 is a wasteful number, since it uses less digits than its factorization.

12444200311224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136313 (or 136309 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 12444200311224 its reverse (42211300244421), we get a palindrome (54655500555645).

The spelling of 12444200311224 in words is "twelve trillion, four hundred forty-four billion, two hundred million, three hundred eleven thousand, two hundred twenty-four".