212320213 has 8 divisors (see below), whose sum is σ = 242850240. Its totient is φ = 181839840.

The previous prime is 212320177. The next prime is 212320217. The reversal of 212320213 is 312023212.

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

It is not a de Polignac number, because 212320213 - 2¹³ = 212312021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320217) 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 7 ways as a sum of consecutive naturals, for example, 2743 + ... + 20788.

It is an arithmetic number, because the mean of its divisors is an integer number (30356280).

Almost surely, 2^212320213 is an apocalyptic number.

It is an amenable number.

212320213 is a deficient number, since it is larger than the sum of its proper divisors (30530027).

212320213 is a wasteful number, since it uses less digits than its factorization.

212320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24827.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212320213 is about 14571.2117890037. The cubic root of 212320213 is about 596.5732561169.

Adding to 212320213 its reverse (312023212), we get a palindrome (524343425).

The spelling of 212320213 in words is "two hundred twelve million, three hundred twenty thousand, two hundred thirteen".