12012303000321 has 40 divisors (see below), whose sum is σ = 19325344838184. Its totient is φ = 7391915159040.

The previous prime is 12012303000289. The next prime is 12012303000323. The reversal of 12012303000321 is 12300030321021.

12012303000321 is a `hidden beast` number, since 1 + 2 + 0 + 12 + 30 + 300 + 0 + 321 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14808212721 + 11997494787600 = 121689^2 + 3463740^2 .

It is not a de Polignac number, because 12012303000321 - 2⁵ = 12012303000289 is a prime.

It is a super-2 number, since 2×12012303000321² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12012303000294 and 12012303000303.

It is not an unprimeable number, because it can be changed into a prime (12012303000323) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30655051 + ... + 31044431.

Almost surely, 2^{12012303000321} is an apocalyptic number.

It is an amenable number.

12012303000321 is a deficient number, since it is larger than the sum of its proper divisors (7313041837863).

12012303000321 is a wasteful number, since it uses less digits than its factorization.

12012303000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418703 (or 418694 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12012303000321 its reverse (12300030321021), we get a palindrome (24312333321342).

The spelling of 12012303000321 in words is "twelve trillion, twelve billion, three hundred three million, three hundred twenty-one", and thus it is an aban number.