212213020213 has 4 divisors (see below), whose sum is σ = 223382126560. Its totient is φ = 201043913868.

The previous prime is 212213020199. The next prime is 212213020223. The reversal of 212213020213 is 312020312212.

212213020213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212213020213 - 2⁵ = 212213020181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11169106327 = 212213020213 / (2 + 1 + 2 + 2 + 1 + 3 + 0 + 2 + 0 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212213020223) 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 3 ways as a sum of consecutive naturals, for example, 5584553145 + ... + 5584553182.

It is an arithmetic number, because the mean of its divisors is an integer number (55845531640).

Almost surely, 2^212213020213 is an apocalyptic number.

It is an amenable number.

212213020213 is a deficient number, since it is larger than the sum of its proper divisors (11169106347).

212213020213 is a wasteful number, since it uses less digits than its factorization.

212213020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169106346.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212213020213 its reverse (312020312212), we get a palindrome (524233332425).

The spelling of 212213020213 in words is "two hundred twelve billion, two hundred thirteen million, twenty thousand, two hundred thirteen".