12843550720 has 576 divisors, whose sum is σ = 42350817600. Its totient is φ = 3674603520.

The previous prime is 12843550703. The next prime is 12843550721. The reversal of 12843550720 is 2705534821.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12843550720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843550721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71751591 + ... + 71751769.

It is an arithmetic number, because the mean of its divisors is an integer number (73525725).

Almost surely, 2^12843550720 is an apocalyptic number.

12843550720 is a gapful number since it is divisible by the number (10) 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 12843550720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21175408800).

12843550720 is an abundant number, since it is smaller than the sum of its proper divisors (29507266880).

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

12843550720 is a wasteful number, since it uses less digits than its factorization.

12843550720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 12843550720 in words is "twelve billion, eight hundred forty-three million, five hundred fifty thousand, seven hundred twenty".