212464213 has 16 divisors (see below), whose sum is σ = 241859520. Its totient is φ = 185020416.

The previous prime is 212464211. The next prime is 212464223. The reversal of 212464213 is 312464212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212464213 - 2¹ = 212464211 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 (212464211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61806 + ... + 65152.

It is an arithmetic number, because the mean of its divisors is an integer number (15116220).

Almost surely, 2^212464213 is an apocalyptic number.

It is an amenable number.

212464213 is a deficient number, since it is larger than the sum of its proper divisors (29395307).

212464213 is a wasteful number, since it uses less digits than its factorization.

212464213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its digits is 2304, while the sum is 25.

The square root of 212464213 is about 14576.1522014556. The cubic root of 212464213 is about 596.7080951159.

Subtracting 212464213 from its reverse (312464212), we obtain a palindrome (99999999).

The spelling of 212464213 in words is "two hundred twelve million, four hundred sixty-four thousand, two hundred thirteen".