212434333 has 4 divisors (see below), whose sum is σ = 212599420. Its totient is φ = 212269248.

The previous prime is 212434331. The next prime is 212434349. The reversal of 212434333 is 333434212.

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 138250564 + 74183769 = 11758^2 + 8613^2 .

It is a cyclic number.

It is not a de Polignac number, because 212434333 - 2¹ = 212434331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212434298 and 212434307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212434331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80598 + ... + 83191.

It is an arithmetic number, because the mean of its divisors is an integer number (53149855).

Almost surely, 2^212434333 is an apocalyptic number.

It is an amenable number.

212434333 is a deficient number, since it is larger than the sum of its proper divisors (165087).

212434333 is a wasteful number, since it uses less digits than its factorization.

212434333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165086.

The product of its digits is 5184, while the sum is 25.

The square root of 212434333 is about 14575.1272035616. The cubic root of 212434333 is about 596.6801210342.

Adding to 212434333 its reverse (333434212), we get a palindrome (545868545).

The spelling of 212434333 in words is "two hundred twelve million, four hundred thirty-four thousand, three hundred thirty-three".