212030211 has 8 divisors (see below), whose sum is σ = 286689024. Its totient is φ = 139362440.

The previous prime is 212030201. The next prime is 212030257. The reversal of 212030211 is 112030212.

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

It is a cyclic number.

It is not a de Polignac number, because 212030211 - 2²² = 207835907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212030201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497511 + ... + 497936.

It is an arithmetic number, because the mean of its divisors is an integer number (35836128).

Almost surely, 2^212030211 is an apocalyptic number.

212030211 is a deficient number, since it is larger than the sum of its proper divisors (74658813).

212030211 is an equidigital number, since it uses as much as digits as its factorization.

212030211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995521.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212030211 is about 14561.2571916027. The cubic root of 212030211 is about 596.3015183434.

Adding to 212030211 its reverse (112030212), we get a palindrome (324060423).

Subtracting from 212030211 its reverse (112030212), we obtain a palindrome (99999999).

The spelling of 212030211 in words is "two hundred twelve million, thirty thousand, two hundred eleven".