243132003312 has 80 divisors (see below), whose sum is σ = 685819854720. Its totient is φ = 73608659200.

The previous prime is 243132003293. The next prime is 243132003329. The reversal of 243132003312 is 213300231342.

It is a super-2 number, since 2×243132003312² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365014 + ... + 787082.

It is an arithmetic number, because the mean of its divisors is an integer number (8572748184).

Almost surely, 2^243132003312 is an apocalyptic number.

243132003312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243132003312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342909927360).

243132003312 is an abundant number, since it is smaller than the sum of its proper divisors (442687851408).

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

243132003312 is a wasteful number, since it uses less digits than its factorization.

243132003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423182 (or 423176 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 243132003312 its reverse (213300231342), we get a palindrome (456432234654).

The spelling of 243132003312 in words is "two hundred forty-three billion, one hundred thirty-two million, three thousand, three hundred twelve".