12300040321 has 4 divisors (see below), whose sum is σ = 12303999700. Its totient is φ = 12296080944.

The previous prime is 12300040289. The next prime is 12300040343. The reversal of 12300040321 is 12304000321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8224494721 + 4075545600 = 90689^2 + 63840^2 .

It is a cyclic number.

It is not a de Polignac number, because 12300040321 - 2⁵ = 12300040289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12300040295 and 12300040304.

It is not an unprimeable number, because it can be changed into a prime (12300040391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975026 + ... + 1981243.

It is an arithmetic number, because the mean of its divisors is an integer number (3075999925).

Almost surely, 2^12300040321 is an apocalyptic number.

It is an amenable number.

12300040321 is a deficient number, since it is larger than the sum of its proper divisors (3959379).

12300040321 is an equidigital number, since it uses as much as digits as its factorization.

12300040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959378.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12300040321 its reverse (12304000321), we get a palindrome (24604040642).

The spelling of 12300040321 in words is "twelve billion, three hundred million, forty thousand, three hundred twenty-one".