12321304030 has 96 divisors (see below), whose sum is σ = 26994465792. Its totient is φ = 3965760000.

The previous prime is 12321303991. The next prime is 12321304049. The reversal of 12321304030 is 3040312321.

It is a junction number, because it is equal to n+sod(n) for n = 12321303989 and 12321304007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15192325 + ... + 15193135.

It is an arithmetic number, because the mean of its divisors is an integer number (281192352).

Almost surely, 2^12321304030 is an apocalyptic number.

12321304030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321304030 is an abundant number, since it is smaller than the sum of its proper divisors (14673161762).

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

12321304030 is a wasteful number, since it uses less digits than its factorization.

12321304030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12321304030 its reverse (3040312321), we get a palindrome (15361616351).

The spelling of 12321304030 in words is "twelve billion, three hundred twenty-one million, three hundred four thousand, thirty".