12321331230 has 64 divisors (see below), whose sum is σ = 33719208768. Its totient is φ = 2854533120.

The previous prime is 12321331133. The next prime is 12321331249. The reversal of 12321331230 is 3213312321.

12321331230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12321331197 and 12321331206.

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 31 ways as a sum of consecutive naturals, for example, 922581 + ... + 935840.

It is an arithmetic number, because the mean of its divisors is an integer number (526862637).

Almost surely, 2^12321331230 is an apocalyptic number.

12321331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321331230 is an abundant number, since it is smaller than the sum of its proper divisors (21397877538).

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

12321331230 is a wasteful number, since it uses less digits than its factorization.

12321331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858461.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12321331230 its reverse (3213312321), we get a palindrome (15534643551).

The spelling of 12321331230 in words is "twelve billion, three hundred twenty-one million, three hundred thirty-one thousand, two hundred thirty".