12783284470320 has 320 divisors, whose sum is σ = 49599815408640. Its totient is φ = 2651418169344.

The previous prime is 12783284470199. The next prime is 12783284470321. The reversal of 12783284470320 is 2307448238721.

It is not an unprimeable number, because it can be changed into a prime (12783284470321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3671739 + ... + 6248858.

It is an arithmetic number, because the mean of its divisors is an integer number (154999423152).

Almost surely, 2^{12783284470320} is an apocalyptic number.

12783284470320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12783284470320 is an abundant number, since it is smaller than the sum of its proper divisors (36816530938320).

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

12783284470320 is a wasteful number, since it uses less digits than its factorization.

12783284470320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920692 (or 9920686 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 12783284470320 in words is "twelve trillion, seven hundred eighty-three billion, two hundred eighty-four million, four hundred seventy thousand, three hundred twenty".