243321604043212 has 24 divisors (see below), whose sum is σ = 425923193062304. Its totient is φ = 121629267107712.

The previous prime is 243321604043171. The next prime is 243321604043233. The reversal of 243321604043212 is 212340406123342.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250713073 + ... + 251681719.

Almost surely, 2^{243321604043212} is an apocalyptic number.

It is an amenable number.

243321604043212 is a deficient number, since it is larger than the sum of its proper divisors (182601589019092).

243321604043212 is a wasteful number, since it uses less digits than its factorization.

243321604043212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984865 (or 984863 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 243321604043212 in words is "two hundred forty-three trillion, three hundred twenty-one billion, six hundred four million, forty-three thousand, two hundred twelve".