210212223 has 16 divisors (see below), whose sum is σ = 302329440. Its totient is φ = 129153024.

The previous prime is 210212201. The next prime is 210212227. The reversal of 210212223 is 322212012.

It is a happy number.

It is not a de Polignac number, because 210212223 - 2⁶ = 210212159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22243 + ... + 30251.

It is an arithmetic number, because the mean of its divisors is an integer number (18895590).

Almost surely, 2^210212223 is an apocalyptic number.

210212223 is a deficient number, since it is larger than the sum of its proper divisors (92117217).

210212223 is a wasteful number, since it uses less digits than its factorization.

210212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8698.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 210212223 is about 14498.6972863082. The cubic root of 210212223 is about 594.5923559520.

Adding to 210212223 its reverse (322212012), we get a palindrome (532424235).

The spelling of 210212223 in words is "two hundred ten million, two hundred twelve thousand, two hundred twenty-three".