212432213 has 8 divisors (see below), whose sum is σ = 246199680. Its totient is φ = 179519760.

The previous prime is 212432197. The next prime is 212432237. The reversal of 212432213 is 312234212.

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

It is not a de Polignac number, because 212432213 - 2⁴ = 212432197 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212432413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213218 + ... + 214211.

It is an arithmetic number, because the mean of its divisors is an integer number (30774960).

Almost surely, 2^212432213 is an apocalyptic number.

It is an amenable number.

212432213 is a deficient number, since it is larger than the sum of its proper divisors (33767467).

212432213 is an equidigital number, since it uses as much as digits as its factorization.

212432213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427507.

The product of its digits is 576, while the sum is 20.

The square root of 212432213 is about 14575.0544767421. The cubic root of 212432213 is about 596.6781361603.

Adding to 212432213 its reverse (312234212), we get a palindrome (524666425).

The spelling of 212432213 in words is "two hundred twelve million, four hundred thirty-two thousand, two hundred thirteen".