243132335512 has 64 divisors (see below), whose sum is σ = 507438548640. Its totient is φ = 108279398400.

The previous prime is 243132335503. The next prime is 243132335591. The reversal of 243132335512 is 215533231342.

243132335512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243132335512² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291458 + ... + 1467694.

Almost surely, 2^243132335512 is an apocalyptic number.

243132335512 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 243132335512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253719274320).

243132335512 is an abundant number, since it is smaller than the sum of its proper divisors (264306213128).

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

243132335512 is a wasteful number, since it uses less digits than its factorization.

243132335512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176572 (or 176568 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

Adding to 243132335512 its reverse (215533231342), we get a palindrome (458665566854).

The spelling of 243132335512 in words is "two hundred forty-three billion, one hundred thirty-two million, three hundred thirty-five thousand, five hundred twelve".