12331324530 has 48 divisors (see below), whose sum is σ = 36641651904. Its totient is φ = 2818588320.

The previous prime is 12331324519. The next prime is 12331324531. The reversal of 12331324530 is 3542313321.

12331324530 is a `hidden beast` number, since 1 + 2 + 331 + 324 + 5 + 3 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12331324494 and 12331324503.

It is not an unprimeable number, because it can be changed into a prime (12331324531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9786136 + ... + 9787395.

It is an arithmetic number, because the mean of its divisors is an integer number (763367748).

Almost surely, 2^12331324530 is an apocalyptic number.

12331324530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12331324530 is an abundant number, since it is smaller than the sum of its proper divisors (24310327374).

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

12331324530 is a wasteful number, since it uses less digits than its factorization.

12331324530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19573551 (or 19573548 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 12331324530 its reverse (3542313321), we get a palindrome (15873637851).

The spelling of 12331324530 in words is "twelve billion, three hundred thirty-one million, three hundred twenty-four thousand, five hundred thirty".