12144233312 has 96 divisors (see below), whose sum is σ = 25670856960. Its totient is φ = 5642334720.

The previous prime is 12144233293. The next prime is 12144233327. The reversal of 12144233312 is 21333244121.

12144233312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3724739 + ... + 3727997.

It is an arithmetic number, because the mean of its divisors is an integer number (267404760).

Almost surely, 2^12144233312 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 12144233312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12835428480).

12144233312 is an abundant number, since it is smaller than the sum of its proper divisors (13526623648).

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

12144233312 is a wasteful number, since it uses less digits than its factorization.

12144233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436 (or 3428 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 12144233312 its reverse (21333244121), we get a palindrome (33477477433).

The spelling of 12144233312 in words is "twelve billion, one hundred forty-four million, two hundred thirty-three thousand, three hundred twelve".