243421024212 has 36 divisors (see below), whose sum is σ = 615430335520. Its totient is φ = 81125034192.

The previous prime is 243421024211. The next prime is 243421024229. The reversal of 243421024212 is 212420124342.

It is a happy number.

243421024212 is a `hidden beast` number, since 2 + 4 + 3 + 421 + 0 + 24 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243421024211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443512 + ... + 826767.

Almost surely, 2^243421024212 is an apocalyptic number.

It is an amenable number.

243421024212 is an abundant number, since it is smaller than the sum of its proper divisors (372009311308).

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

243421024212 is a wasteful number, since it uses less digits than its factorization.

243421024212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275612 (or 1275607 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 243421024212 its reverse (212420124342), we get a palindrome (455841148554).

The spelling of 243421024212 in words is "two hundred forty-three billion, four hundred twenty-one million, twenty-four thousand, two hundred twelve".