213223203213 has 16 divisors (see below), whose sum is σ = 285693576000. Its totient is φ = 141452478720.

The previous prime is 213223203209. The next prime is 213223203227. The reversal of 213223203213 is 312302322312.

213223203213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213223203213 - 2² = 213223203209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213223203203) 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 15 ways as a sum of consecutive naturals, for example, 306693 + ... + 721461.

It is an arithmetic number, because the mean of its divisors is an integer number (17855848500).

Almost surely, 2^213223203213 is an apocalyptic number.

It is an amenable number.

213223203213 is a deficient number, since it is larger than the sum of its proper divisors (72470372787).

213223203213 is a wasteful number, since it uses less digits than its factorization.

213223203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415612.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213223203213 its reverse (312302322312), we get a palindrome (525525525525).

The spelling of 213223203213 in words is "two hundred thirteen billion, two hundred twenty-three million, two hundred three thousand, two hundred thirteen".