212013420211 has 4 divisors (see below), whose sum is σ = 214199125672. Its totient is φ = 209827714752.

The previous prime is 212013420209. The next prime is 212013420217. The reversal of 212013420211 is 112024310212.

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 212013420211 - 2¹ = 212013420209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013420217) 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, 1092852585 + ... + 1092852778.

It is an arithmetic number, because the mean of its divisors is an integer number (53549781418).

Almost surely, 2^212013420211 is an apocalyptic number.

212013420211 is a deficient number, since it is larger than the sum of its proper divisors (2185705461).

212013420211 is an equidigital number, since it uses as much as digits as its factorization.

212013420211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185705460.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212013420211 its reverse (112024310212), we get a palindrome (324037730423).

The spelling of 212013420211 in words is "two hundred twelve billion, thirteen million, four hundred twenty thousand, two hundred eleven".