212313213 has 12 divisors (see below), whose sum is σ = 350485408. Its totient is φ = 121321800.

The previous prime is 212313197. The next prime is 212313251. The reversal of 212313213 is 312313212.

It is not a de Polignac number, because 212313213 - 2⁴ = 212313197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212313313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684963 + ... + 1685088.

Almost surely, 2^212313213 is an apocalyptic number.

It is an amenable number.

212313213 is a deficient number, since it is larger than the sum of its proper divisors (138172195).

212313213 is a wasteful number, since it uses less digits than its factorization.

212313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370064 (or 3370061 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 212313213 is about 14570.9715873719. The cubic root of 212313213 is about 596.5666998897.

Adding to 212313213 its reverse (312313212), we get a palindrome (524626425).

Subtracting 212313213 from its reverse (312313212), we obtain a palindrome (99999999).

The spelling of 212313213 in words is "two hundred twelve million, three hundred thirteen thousand, two hundred thirteen".