12306660321 has 8 divisors (see below), whose sum is σ = 16409488480. Its totient is φ = 8204136192.

The previous prime is 12306660283. The next prime is 12306660323.

12306660321 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12306660321 - 2⁶ = 12306660257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12306660323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46785 + ... + 163713.

It is an arithmetic number, because the mean of its divisors is an integer number (2051186060).

Almost surely, 2^12306660321 is an apocalyptic number.

It is an amenable number.

12306660321 is a deficient number, since it is larger than the sum of its proper divisors (4102828159).

12306660321 is a wasteful number, since it uses less digits than its factorization.

12306660321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152015.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 12306660321 in words is "twelve billion, three hundred six million, six hundred sixty thousand, three hundred twenty-one".