212300243 has 8 divisors (see below), whose sum is σ = 223641600. Its totient is φ = 200975688.

The previous prime is 212300239. The next prime is 212300273. The reversal of 212300243 is 342003212.

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

It is a cyclic number.

It is not a de Polignac number, because 212300243 - 2² = 212300239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212300203) 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, 28238 + ... + 34956.

It is an arithmetic number, because the mean of its divisors is an integer number (27955200).

Almost surely, 2^212300243 is an apocalyptic number.

212300243 is a deficient number, since it is larger than the sum of its proper divisors (11341357).

212300243 is a wasteful number, since it uses less digits than its factorization.

212300243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401.

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

The square root of 212300243 is about 14570.5265175971. The cubic root of 212300243 is about 596.5545517563.

Adding to 212300243 its reverse (342003212), we get a palindrome (554303455).

The spelling of 212300243 in words is "two hundred twelve million, three hundred thousand, two hundred forty-three".