212101210233 has 16 divisors (see below), whose sum is σ = 342789835200. Its totient is φ = 128546187840.

The previous prime is 212101210187. The next prime is 212101210259. The reversal of 212101210233 is 332012101212.

212101210233 is a `hidden beast` number, since 212 + 10 + 1 + 210 + 233 = 666.

It is not a de Polignac number, because 212101210233 - 2¹² = 212101206137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212101210333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357072448 + ... + 357073041.

It is an arithmetic number, because the mean of its divisors is an integer number (21424364700).

Almost surely, 2^212101210233 is an apocalyptic number.

It is an amenable number.

212101210233 is a deficient number, since it is larger than the sum of its proper divisors (130688624967).

212101210233 is a wasteful number, since it uses less digits than its factorization.

212101210233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714145509 (or 714145503 counting only the distinct ones).

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

Adding to 212101210233 its reverse (332012101212), we get a palindrome (544113311445).

The spelling of 212101210233 in words is "two hundred twelve billion, one hundred one million, two hundred ten thousand, two hundred thirty-three".