211433212 has 12 divisors (see below), whose sum is σ = 370195056. Its totient is φ = 105663200.

The previous prime is 211433191. The next prime is 211433219. The reversal of 211433212 is 212334112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 211433212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211433219) 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, 3664 + ... + 20887.

It is an arithmetic number, because the mean of its divisors is an integer number (30849588).

Almost surely, 2^211433212 is an apocalyptic number.

It is an amenable number.

211433212 is a deficient number, since it is larger than the sum of its proper divisors (158761844).

211433212 is a wasteful number, since it uses less digits than its factorization.

211433212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26708 (or 26706 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 211433212 is about 14540.7431722041. The cubic root of 211433212 is about 595.7413370911.

Adding to 211433212 its reverse (212334112), we get a palindrome (423767324).

The spelling of 211433212 in words is "two hundred eleven million, four hundred thirty-three thousand, two hundred twelve".