243213455405112 has 32 divisors (see below), whose sum is σ = 614053773553680. Its totient is φ = 80268467129600.

The previous prime is 243213455405029. The next prime is 243213455405113. The reversal of 243213455405112 is 211504554312342.

243213455405112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243213455405113) 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, 50167789533 + ... + 50167794380.

Almost surely, 2^{243213455405112} is an apocalyptic number.

It is an amenable number.

243213455405112 is an abundant number, since it is smaller than the sum of its proper divisors (370840318148568).

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

243213455405112 is a wasteful number, since it uses less digits than its factorization.

243213455405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100335584023 (or 100335584019 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 243213455405112 in words is "two hundred forty-three trillion, two hundred thirteen billion, four hundred fifty-five million, four hundred five thousand, one hundred twelve".