212024213 has 4 divisors (see below), whose sum is σ = 212367360. Its totient is φ = 211681068.

The previous prime is 212024209. The next prime is 212024237. The reversal of 212024213 is 312420212.

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 212024213 - 2² = 212024209 is a prime.

It is a super-4 number, since 4×212024213⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212024191 and 212024200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212024513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170645 + ... + 171882.

It is an arithmetic number, because the mean of its divisors is an integer number (53091840).

Almost surely, 2^212024213 is an apocalyptic number.

It is an amenable number.

212024213 is a deficient number, since it is larger than the sum of its proper divisors (343147).

212024213 is an equidigital number, since it uses as much as digits as its factorization.

212024213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343146.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212024213 is about 14561.0512326549. The cubic root of 212024213 is about 596.2958954808.

Adding to 212024213 its reverse (312420212), we get a palindrome (524444425).

The spelling of 212024213 in words is "two hundred twelve million, twenty-four thousand, two hundred thirteen".