212116203 has 12 divisors (see below), whose sum is σ = 329958720. Its totient is φ = 130532976.

The previous prime is 212116199. The next prime is 212116213. The reversal of 212116203 is 302611212.

212116203 is a `hidden beast` number, since 21 + 21 + 1 + 620 + 3 = 666.

212116203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212116203 - 2² = 212116199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212116213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 906363 + ... + 906596.

It is an arithmetic number, because the mean of its divisors is an integer number (27496560).

Almost surely, 2^212116203 is an apocalyptic number.

212116203 is a deficient number, since it is larger than the sum of its proper divisors (117842517).

212116203 is a wasteful number, since it uses less digits than its factorization.

212116203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812978 (or 1812975 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 212116203 is about 14564.2096592984. The cubic root of 212116203 is about 596.3821204258.

Adding to 212116203 its reverse (302611212), we get a palindrome (514727415).

The spelling of 212116203 in words is "two hundred twelve million, one hundred sixteen thousand, two hundred three".