12324181338 has 48 divisors (see below), whose sum is σ = 30813334656. Its totient is φ = 3487004640.

The previous prime is 12324181307. The next prime is 12324181339. The reversal of 12324181338 is 83318142321.

12324181338 is a `hidden beast` number, since 1 + 2 + 3 + 241 + 81 + 338 = 666.

12324181338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12324181339) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 461833 + ... + 487788.

It is an arithmetic number, because the mean of its divisors is an integer number (641944472).

Almost surely, 2^12324181338 is an apocalyptic number.

12324181338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12324181338 is an abundant number, since it is smaller than the sum of its proper divisors (18489153318).

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

12324181338 is a wasteful number, since it uses less digits than its factorization.

12324181338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949739 (or 949736 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The spelling of 12324181338 in words is "twelve billion, three hundred twenty-four million, one hundred eighty-one thousand, three hundred thirty-eight".