243412212 has 24 divisors (see below), whose sum is σ = 568923712. Its totient is φ = 81000000.

The previous prime is 243412189. The next prime is 243412219. The reversal of 243412212 is 212214342.

243412212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243412219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9664 + ... + 24087.

Almost surely, 2^243412212 is an apocalyptic number.

It is an amenable number.

243412212 is an abundant number, since it is smaller than the sum of its proper divisors (325511500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243412212 is a wasteful number, since it uses less digits than its factorization.

243412212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34359 (or 34357 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 243412212 is about 15601.6733717893. The cubic root of 243412212 is about 624.3778017031.

Adding to 243412212 its reverse (212214342), we get a palindrome (455626554).

The spelling of 243412212 in words is "two hundred forty-three million, four hundred twelve thousand, two hundred twelve".