212004233 has 24 divisors (see below), whose sum is σ = 254010240. Its totient is φ = 176329440.

The previous prime is 212004227. The next prime is 212004251. The reversal of 212004233 is 332400212.

212004233 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 212004233 - 2¹² = 212000137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212004253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503363 + ... + 503783.

It is an arithmetic number, because the mean of its divisors is an integer number (10583760).

Almost surely, 2^212004233 is an apocalyptic number.

It is an amenable number.

212004233 is a deficient number, since it is larger than the sum of its proper divisors (42006007).

212004233 is a wasteful number, since it uses less digits than its factorization.

212004233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212004233 is about 14560.3651396522. The cubic root of 212004233 is about 596.2771643398.

Adding to 212004233 its reverse (332400212), we get a palindrome (544404445).

The spelling of 212004233 in words is "two hundred twelve million, four thousand, two hundred thirty-three".