12220403333 has 4 divisors (see below), whose sum is σ = 12220807500. Its totient is φ = 12219999168.

The previous prime is 12220403317. The next prime is 12220403353. The reversal of 12220403333 is 33330402221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33330402221 = 110939 ⋅300439.

It can be written as a sum of positive squares in 2 ways, for example, as 8276814529 + 3943588804 = 90977^2 + 62798^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220403333 - 2⁴ = 12220403317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12220403299 and 12220403308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220403353) 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, 152708 + ... + 218541.

It is an arithmetic number, because the mean of its divisors is an integer number (3055201875).

Almost surely, 2^12220403333 is an apocalyptic number.

It is an amenable number.

12220403333 is a deficient number, since it is larger than the sum of its proper divisors (404167).

12220403333 is an equidigital number, since it uses as much as digits as its factorization.

12220403333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404166.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 12220403333 its reverse (33330402221), we get a palindrome (45550805554).

The spelling of 12220403333 in words is "twelve billion, two hundred twenty million, four hundred three thousand, three hundred thirty-three".