212012202211 has 4 divisors (see below), whose sum is σ = 212096907952. Its totient is φ = 211927496472.

The previous prime is 212012202179. The next prime is 212012202271. The reversal of 212012202211 is 112202210212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212012202211 - 2⁵ = 212012202179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012202271) 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, 42349116 + ... + 42354121.

It is an arithmetic number, because the mean of its divisors is an integer number (53024226988).

Almost surely, 2^212012202211 is an apocalyptic number.

212012202211 is a deficient number, since it is larger than the sum of its proper divisors (84705741).

212012202211 is an equidigital number, since it uses as much as digits as its factorization.

212012202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84705740.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212012202211 its reverse (112202210212), we get a palindrome (324214412423).

The spelling of 212012202211 in words is "two hundred twelve billion, twelve million, two hundred two thousand, two hundred eleven".