243212303224 has 64 divisors (see below), whose sum is σ = 527248764000. Its totient is φ = 103948185600.

The previous prime is 243212303219. The next prime is 243212303227. The reversal of 243212303224 is 422303212342.

It is a junction number, because it is equal to n+sod(n) for n = 243212303192 and 243212303201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243212303227) 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, 1491814 + ... + 1646794.

Almost surely, 2^243212303224 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 243212303224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263624382000).

243212303224 is an abundant number, since it is smaller than the sum of its proper divisors (284036460776).

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

243212303224 is a wasteful number, since it uses less digits than its factorization.

243212303224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156064 (or 156060 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243212303224 its reverse (422303212342), we get a palindrome (665515515566).

The spelling of 243212303224 in words is "two hundred forty-three billion, two hundred twelve million, three hundred three thousand, two hundred twenty-four".