243332140212 has 144 divisors (see below), whose sum is σ = 743467379200. Its totient is φ = 65551913280.

The previous prime is 243332140159. The next prime is 243332140229. The reversal of 243332140212 is 212041233342.

243332140212 is a `hidden beast` number, since 2 + 433 + 3 + 2 + 14 + 0 + 212 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 889839 + ... + 1130697.

Almost surely, 2^243332140212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243332140212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371733689600).

243332140212 is an abundant number, since it is smaller than the sum of its proper divisors (500135238988).

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

243332140212 is a wasteful number, since it uses less digits than its factorization.

243332140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241106 (or 241101 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 243332140212 its reverse (212041233342), we get a palindrome (455373373554).

The spelling of 243332140212 in words is "two hundred forty-three billion, three hundred thirty-two million, one hundred forty thousand, two hundred twelve".