12321230000 has 100 divisors (see below), whose sum is σ = 30860309040. Its totient is φ = 4758432000.

The previous prime is 12321229979. The next prime is 12321230003. The reversal of 12321230000 is 3212321.

It is a happy number.

12321230000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (12321230003) 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 19 ways as a sum of consecutive naturals, for example, 268757 + ... + 311243.

Almost surely, 2^12321230000 is an apocalyptic number.

12321230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12321230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15430154520).

12321230000 is an abundant number, since it is smaller than the sum of its proper divisors (18539079040).

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

12321230000 is an equidigital number, since it uses as much as digits as its factorization.

12321230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42544 (or 42523 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12321230000 its reverse (3212321), we get a palindrome (12324442321).

The spelling of 12321230000 in words is "twelve billion, three hundred twenty-one million, two hundred thirty thousand".