12321200033 has 4 divisors (see below), whose sum is σ = 12321441348. Its totient is φ = 12320958720.

The previous prime is 12321200029. The next prime is 12321200039. The reversal of 12321200033 is 33000212321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33000212321 = 17431 ⋅1893191.

It can be written as a sum of positive squares in 2 ways, for example, as 11060097889 + 1261102144 = 105167^2 + 35512^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321200033 - 2² = 12321200029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321199984 and 12321200020.

It is not an unprimeable number, because it can be changed into a prime (12321200039) 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 3 ways as a sum of consecutive naturals, for example, 10616 + ... + 157337.

It is an arithmetic number, because the mean of its divisors is an integer number (3080360337).

Almost surely, 2^12321200033 is an apocalyptic number.

It is an amenable number.

12321200033 is a deficient number, since it is larger than the sum of its proper divisors (241315).

12321200033 is an equidigital number, since it uses as much as digits as its factorization.

12321200033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241314.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12321200033 its reverse (33000212321), we get a palindrome (45321412354).

The spelling of 12321200033 in words is "twelve billion, three hundred twenty-one million, two hundred thousand, thirty-three".