212223340333 has 4 divisors (see below), whose sum is σ = 215702411548. Its totient is φ = 208744269120.

The previous prime is 212223340309. The next prime is 212223340397. The reversal of 212223340333 is 333043322212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30463513444 + 181759826889 = 174538^2 + 426333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212223340333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212223310333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739535516 + ... + 1739535637.

It is an arithmetic number, because the mean of its divisors is an integer number (53925602887).

Almost surely, 2^212223340333 is an apocalyptic number.

It is an amenable number.

212223340333 is a deficient number, since it is larger than the sum of its proper divisors (3479071215).

212223340333 is an equidigital number, since it uses as much as digits as its factorization.

212223340333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479071214.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 212223340333 its reverse (333043322212), we get a palindrome (545266662545).

The spelling of 212223340333 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred forty thousand, three hundred thirty-three".