12320213333 has 4 divisors (see below), whose sum is σ = 12321158700. Its totient is φ = 12319267968.

The previous prime is 12320213329. The next prime is 12320213341. The reversal of 12320213333 is 33331202321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33331202321 = 199 ⋅167493479.

It can be written as a sum of positive squares in 2 ways, for example, as 3359129764 + 8961083569 = 57958^2 + 94663^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320213333 - 2² = 12320213329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12320213299 and 12320213308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320213033) 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, 452858 + ... + 479291.

It is an arithmetic number, because the mean of its divisors is an integer number (3080289675).

Almost surely, 2^12320213333 is an apocalyptic number.

It is an amenable number.

12320213333 is a deficient number, since it is larger than the sum of its proper divisors (945367).

12320213333 is an equidigital number, since it uses as much as digits as its factorization.

12320213333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945366.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12320213333 its reverse (33331202321), we get a palindrome (45651415654).

The spelling of 12320213333 in words is "twelve billion, three hundred twenty million, two hundred thirteen thousand, three hundred thirty-three".