212211206 has 8 divisors (see below), whose sum is σ = 326920080. Its totient is φ = 103237848.

The previous prime is 212211193. The next prime is 212211269. The reversal of 212211206 is 602112212.

212211206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433786 + ... + 1433933.

It is an arithmetic number, because the mean of its divisors is an integer number (40865010).

Almost surely, 2^212211206 is an apocalyptic number.

212211206 is a deficient number, since it is larger than the sum of its proper divisors (114708874).

212211206 is a wasteful number, since it uses less digits than its factorization.

212211206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867758.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 212211206 is about 14567.4708168577. The cubic root of 212211206 is about 596.4711433815.

Adding to 212211206 its reverse (602112212), we get a palindrome (814323418).

The spelling of 212211206 in words is "two hundred twelve million, two hundred eleven thousand, two hundred six".