243112304032212 has 24 divisors (see below), whose sum is σ = 597117939728800. Its totient is φ = 76772306536416.

The previous prime is 243112304032207. The next prime is 243112304032223. The reversal of 243112304032212 is 212230403211342.

It is a happy number.

It is a super-2 number, since 2×243112304032212² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243112304032212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533141017387 + ... + 533141017842.

Almost surely, 2^{243112304032212} is an apocalyptic number.

It is an amenable number.

243112304032212 is an abundant number, since it is smaller than the sum of its proper divisors (354005635696588).

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

243112304032212 is a wasteful number, since it uses less digits than its factorization.

243112304032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066282035255 (or 1066282035253 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 243112304032212 its reverse (212230403211342), we get a palindrome (455342707243554).

The spelling of 243112304032212 in words is "two hundred forty-three trillion, one hundred twelve billion, three hundred four million, thirty-two thousand, two hundred twelve".