3240520143312 has 80 divisors (see below), whose sum is σ = 8735643025920. Its totient is φ = 1033170542976.

The previous prime is 3240520143299. The next prime is 3240520143317. The reversal of 3240520143312 is 2133410250423.

3240520143312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3240520143312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240520143317) 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, 49800943 + ... + 49865969.

It is an arithmetic number, because the mean of its divisors is an integer number (109195537824).

Almost surely, 2^{3240520143312} is an apocalyptic number.

It is an amenable number.

3240520143312 is an abundant number, since it is smaller than the sum of its proper divisors (5495122882608).

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

3240520143312 is a wasteful number, since it uses less digits than its factorization.

3240520143312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110200 (or 110194 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 3240520143312 its reverse (2133410250423), we get a palindrome (5373930393735).

The spelling of 3240520143312 in words is "three trillion, two hundred forty billion, five hundred twenty million, one hundred forty-three thousand, three hundred twelve".