212230120203 has 18 divisors (see below), whose sum is σ = 317489990324. Its totient is φ = 136607888592.

The previous prime is 212230120199. The next prime is 212230120217. The reversal of 212230120203 is 302021032212.

212230120203 is a `hidden beast` number, since 212 + 230 + 1 + 20 + 203 = 666.

212230120203 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 212230120203 - 2² = 212230120199 is a prime.

It is a super-2 number, since 2×212230120203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212230120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14012125 + ... + 14027262.

Almost surely, 2^212230120203 is an apocalyptic number.

212230120203 is a deficient number, since it is larger than the sum of its proper divisors (105259870121).

212230120203 is a wasteful number, since it uses less digits than its factorization.

212230120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28039451 (or 28039419 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212230120203 its reverse (302021032212), we get a palindrome (514251152415).

The spelling of 212230120203 in words is "two hundred twelve billion, two hundred thirty million, one hundred twenty thousand, two hundred three".