212311203 has 8 divisors (see below), whose sum is σ = 304857168. Its totient is φ = 130653024.

The previous prime is 212311201. The next prime is 212311213. The reversal of 212311203 is 302113212.

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

It is not a de Polignac number, because 212311203 - 2¹ = 212311201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212311201) 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, 2721900 + ... + 2721977.

It is an arithmetic number, because the mean of its divisors is an integer number (38107146).

Almost surely, 2^212311203 is an apocalyptic number.

212311203 is a deficient number, since it is larger than the sum of its proper divisors (92545965).

212311203 is a wasteful number, since it uses less digits than its factorization.

212311203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443893.

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

The square root of 212311203 is about 14570.9026144573. The cubic root of 212311203 is about 596.5648172892.

Adding to 212311203 its reverse (302113212), we get a palindrome (514424415).

The spelling of 212311203 in words is "two hundred twelve million, three hundred eleven thousand, two hundred three".