12331224143244 has 18 divisors (see below), whose sum is σ = 31170594362180. Its totient is φ = 4110408047736.

The previous prime is 12331224143239. The next prime is 12331224143267. The reversal of 12331224143244 is 44234142213321.

12331224143244 is a `hidden beast` number, since 1 + 2 + 3 + 312 + 2 + 4 + 14 + 324 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 342534003979 = 12331224143244 / (1 + 2 + 3 + 3 + 1 + 2 + 2 + 4 + 1 + 4 + 3 + 2 + 4 + 4).

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

It is a junction number, because it is equal to n+sod(n) for n = 12331224143199 and 12331224143208.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171267001954 + ... + 171267002025.

Almost surely, 2^{12331224143244} is an apocalyptic number.

It is an amenable number.

12331224143244 is an abundant number, since it is smaller than the sum of its proper divisors (18839370218936).

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

12331224143244 is a wasteful number, since it uses less digits than its factorization.

12331224143244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342534003989 (or 342534003984 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 12331224143244 its reverse (44234142213321), we get a palindrome (56565366356565).

The spelling of 12331224143244 in words is "twelve trillion, three hundred thirty-one billion, two hundred twenty-four million, one hundred forty-three thousand, two hundred forty-four".