243213441215 has 8 divisors (see below), whose sum is σ = 292036408560. Its totient is φ = 194450566912.

The previous prime is 243213441203. The next prime is 243213441239. The reversal of 243213441215 is 512144312342.

243213441215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243213441215 - 2¹⁰ = 243213440191 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15014354 + ... + 15030543.

It is an arithmetic number, because the mean of its divisors is an integer number (36504551070).

Almost surely, 2^243213441215 is an apocalyptic number.

243213441215 is a deficient number, since it is larger than the sum of its proper divisors (48822967345).

243213441215 is a wasteful number, since it uses less digits than its factorization.

243213441215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30046521.

The product of its digits is 23040, while the sum is 32.

Adding to 243213441215 its reverse (512144312342), we get a palindrome (755357753557).

The spelling of 243213441215 in words is "two hundred forty-three billion, two hundred thirteen million, four hundred forty-one thousand, two hundred fifteen".