212034211 has 4 divisors (see below), whose sum is σ = 212063400. Its totient is φ = 212005024.

The previous prime is 212034191. The next prime is 212034233. The reversal of 212034211 is 112430212.

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 212034211 - 2⁹ = 212033699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212034241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5835 + ... + 21403.

It is an arithmetic number, because the mean of its divisors is an integer number (53015850).

Almost surely, 2^212034211 is an apocalyptic number.

212034211 is a deficient number, since it is larger than the sum of its proper divisors (29189).

212034211 is a wasteful number, since it uses less digits than its factorization.

212034211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29188.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212034211 is about 14561.3945417326. The cubic root of 212034211 is about 596.3052681095.

Adding to 212034211 its reverse (112430212), we get a palindrome (324464423).

The spelling of 212034211 in words is "two hundred twelve million, thirty-four thousand, two hundred eleven".