212030203211 has 4 divisors (see below), whose sum is σ = 217201671624. Its totient is φ = 206858734800.

The previous prime is 212030203199. The next prime is 212030203213. The reversal of 212030203211 is 112302030212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212030203211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212030203211.

It is not an unprimeable number, because it can be changed into a prime (212030203213) 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, 2585734145 + ... + 2585734226.

It is an arithmetic number, because the mean of its divisors is an integer number (54300417906).

Almost surely, 2^212030203211 is an apocalyptic number.

212030203211 is a deficient number, since it is larger than the sum of its proper divisors (5171468413).

212030203211 is an equidigital number, since it uses as much as digits as its factorization.

212030203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171468412.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212030203211 its reverse (112302030212), we get a palindrome (324332233423).

The spelling of 212030203211 in words is "two hundred twelve billion, thirty million, two hundred three thousand, two hundred eleven".