212213030211 has 96 divisors (see below), whose sum is σ = 391305952128. Its totient is φ = 107831347200.

The previous prime is 212213030209. The next prime is 212213030221. The reversal of 212213030211 is 112030312212.

212213030211 is a `hidden beast` number, since 212 + 213 + 0 + 30 + 211 = 666.

212213030211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212213030211 - 2¹ = 212213030209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212213030221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3025935 + ... + 3095271.

It is an arithmetic number, because the mean of its divisors is an integer number (4076103668).

Almost surely, 2^212213030211 is an apocalyptic number.

212213030211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212213030211 is a deficient number, since it is larger than the sum of its proper divisors (179092921917).

212213030211 is a wasteful number, since it uses less digits than its factorization.

212213030211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69501 (or 69498 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212213030211 its reverse (112030312212), we get a palindrome (324243342423).

The spelling of 212213030211 in words is "two hundred twelve billion, two hundred thirteen million, thirty thousand, two hundred eleven".