212010223 has 4 divisors (see below), whose sum is σ = 212500288. Its totient is φ = 211520160.

The previous prime is 212010217. The next prime is 212010233. The reversal of 212010223 is 322010212.

212010223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212010223 - 2¹³ = 212002031 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 (212010203) 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, 244383 + ... + 245248.

It is an arithmetic number, because the mean of its divisors is an integer number (53125072).

Almost surely, 2^212010223 is an apocalyptic number.

212010223 is a deficient number, since it is larger than the sum of its proper divisors (490065).

212010223 is an equidigital number, since it uses as much as digits as its factorization.

212010223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490064.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212010223 is about 14560.5708335903. The cubic root of 212010223 is about 596.2827800557.

Adding to 212010223 its reverse (322010212), we get a palindrome (534020435).

The spelling of 212010223 in words is "two hundred twelve million, ten thousand, two hundred twenty-three".