12144312232224 has 24 divisors (see below), whose sum is σ = 31878819609840. Its totient is φ = 4048104077376.

The previous prime is 12144312232219. The next prime is 12144312232253. The reversal of 12144312232224 is 42223221344121.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63251626114 + ... + 63251626305.

It is an arithmetic number, because the mean of its divisors is an integer number (1328284150410).

Almost surely, 2^{12144312232224} is an apocalyptic number.

It is an amenable number.

12144312232224 is an abundant number, since it is smaller than the sum of its proper divisors (19734507377616).

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

12144312232224 is a wasteful number, since it uses less digits than its factorization.

12144312232224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126503252432 (or 126503252424 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

Adding to 12144312232224 its reverse (42223221344121), we get a palindrome (54367533576345).

The spelling of 12144312232224 in words is "twelve trillion, one hundred forty-four billion, three hundred twelve million, two hundred thirty-two thousand, two hundred twenty-four".