212133203 has 4 divisors (see below), whose sum is σ = 212163168. Its totient is φ = 212103240.

The previous prime is 212133199. The next prime is 212133239. The reversal of 212133203 is 302331212.

212133203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212133203 - 2² = 212133199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212133263) 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, 2225 + ... + 20717.

It is an arithmetic number, because the mean of its divisors is an integer number (53040792).

Almost surely, 2^212133203 is an apocalyptic number.

212133203 is a deficient number, since it is larger than the sum of its proper divisors (29965).

212133203 is a wasteful number, since it uses less digits than its factorization.

212133203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29964.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 212133203 is about 14564.7932700742. The cubic root of 212133203 is about 596.3980522988.

Adding to 212133203 its reverse (302331212), we get a palindrome (514464415).

The spelling of 212133203 in words is "two hundred twelve million, one hundred thirty-three thousand, two hundred three".