212300233 has 4 divisors (see below), whose sum is σ = 224788500. Its totient is φ = 199811968.

The previous prime is 212300203. The next prime is 212300239. The reversal of 212300233 is 332003212.

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 196364169 + 15936064 = 14013^2 + 3992^2 .

It is a cyclic number.

It is not a de Polignac number, because 212300233 - 2¹⁷ = 212169161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212300239) 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, 6244108 + ... + 6244141.

It is an arithmetic number, because the mean of its divisors is an integer number (56197125).

Almost surely, 2^212300233 is an apocalyptic number.

It is an amenable number.

212300233 is a deficient number, since it is larger than the sum of its proper divisors (12488267).

212300233 is a wasteful number, since it uses less digits than its factorization.

212300233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12488266.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 212300233 is about 14570.5261744386. The cubic root of 212300233 is about 596.5545423898.

Adding to 212300233 its reverse (332003212), we get a palindrome (544303445).

The spelling of 212300233 in words is "two hundred twelve million, three hundred thousand, two hundred thirty-three".