212303211 has 8 divisors (see below), whose sum is σ = 283419024. Its totient is φ = 141361440.

The previous prime is 212303209. The next prime is 212303219. The reversal of 212303211 is 112303212.

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

It is not a de Polignac number, because 212303211 - 2¹ = 212303209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212303219) 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, 40636 + ... + 45561.

It is an arithmetic number, because the mean of its divisors is an integer number (35427378).

Almost surely, 2^212303211 is an apocalyptic number.

212303211 is a deficient number, since it is larger than the sum of its proper divisors (71115813).

212303211 is an equidigital number, since it uses as much as digits as its factorization.

212303211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87021.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 212303211 is about 14570.6283666834. The cubic root of 212303211 is about 596.5573317275.

Adding to 212303211 its reverse (112303212), we get a palindrome (324606423).

Subtracting from 212303211 its reverse (112303212), we obtain a palindrome (99999999).

The spelling of 212303211 in words is "two hundred twelve million, three hundred three thousand, two hundred eleven".