12244143331420 has 192 divisors, whose sum is σ = 34610329829376. Its totient is φ = 3513914680320.

The previous prime is 12244143331403. The next prime is 12244143331487. The reversal of 12244143331420 is 2413334144221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7177669 + ... + 8718211.

It is an arithmetic number, because the mean of its divisors is an integer number (180262134528).

Almost surely, 2^{12244143331420} is an apocalyptic number.

12244143331420 is a gapful number since it is divisible by the number (10) 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 12244143331420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17305164914688).

12244143331420 is an abundant number, since it is smaller than the sum of its proper divisors (22366186497956).

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

12244143331420 is a wasteful number, since it uses less digits than its factorization.

12244143331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540980 (or 1540978 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 12244143331420 its reverse (2413334144221), we get a palindrome (14657477475641).

The spelling of 12244143331420 in words is "twelve trillion, two hundred forty-four billion, one hundred forty-three million, three hundred thirty-one thousand, four hundred twenty".