243315005412 has 24 divisors (see below), whose sum is σ = 568544925312. Its totient is φ = 80989300000.

The previous prime is 243315005393. The next prime is 243315005413. The reversal of 243315005412 is 214500513342.

It is a self number, because there is not a number n which added to its sum of digits gives 243315005412.

It is not an unprimeable number, because it can be changed into a prime (243315005413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14453964 + ... + 14470787.

It is an arithmetic number, because the mean of its divisors is an integer number (23689371888).

Almost surely, 2^243315005412 is an apocalyptic number.

It is an amenable number.

243315005412 is an abundant number, since it is smaller than the sum of its proper divisors (325229919900).

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

243315005412 is a wasteful number, since it uses less digits than its factorization.

243315005412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28925459 (or 28925457 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 243315005412 its reverse (214500513342), we get a palindrome (457815518754).

The spelling of 243315005412 in words is "two hundred forty-three billion, three hundred fifteen million, five thousand, four hundred twelve".