212315333 has 2 divisors, whose sum is σ = 212315334. Its totient is φ = 212315332.

The previous prime is 212315321. The next prime is 212315357. The reversal of 212315333 is 333513212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204575809 + 7739524 = 14303^2 + 2782^2 .

It is a cyclic number.

It is not a de Polignac number, because 212315333 - 2⁶ = 212315269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212315299 and 212315308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212315303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106157666 + 106157667.

It is an arithmetic number, because the mean of its divisors is an integer number (106157667).

Almost surely, 2^212315333 is an apocalyptic number.

It is an amenable number.

212315333 is a deficient number, since it is larger than the sum of its proper divisors (1).

212315333 is an equidigital number, since it uses as much as digits as its factorization.

212315333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 23.

The square root of 212315333 is about 14571.0443345698. The cubic root of 212315333 is about 596.5686855051.

Adding to 212315333 its reverse (333513212), we get a palindrome (545828545).

The spelling of 212315333 in words is "two hundred twelve million, three hundred fifteen thousand, three hundred thirty-three".