243343021012 has 48 divisors (see below), whose sum is σ = 524491327360. Its totient is φ = 96199996032.

The previous prime is 243343020959. The next prime is 243343021013. The reversal of 243343021012 is 210120343342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243343021013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286243 + ... + 754069.

Almost surely, 2^243343021012 is an apocalyptic number.

It is an amenable number.

243343021012 is an abundant number, since it is smaller than the sum of its proper divisors (281148306348).

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

243343021012 is a wasteful number, since it uses less digits than its factorization.

243343021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469280 (or 469278 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243343021012 its reverse (210120343342), we get a palindrome (453463364354).

The spelling of 243343021012 in words is "two hundred forty-three billion, three hundred forty-three million, twenty-one thousand, twelve".