8783221223712 has 384 divisors, whose sum is σ = 26282757795840. Its totient is φ = 2545989304320.

The previous prime is 8783221223611. The next prime is 8783221223719. The reversal of 8783221223712 is 2173221223878.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (8783221223719) 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, 3633933928 + ... + 3633936344.

It is an arithmetic number, because the mean of its divisors is an integer number (68444681760).

Almost surely, 2^{8783221223712} 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 8783221223712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13141378897920).

8783221223712 is an abundant number, since it is smaller than the sum of its proper divisors (17499536572128).

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

8783221223712 is a wasteful number, since it uses less digits than its factorization.

8783221223712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3248 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The spelling of 8783221223712 in words is "eight trillion, seven hundred eighty-three billion, two hundred twenty-one million, two hundred twenty-three thousand, seven hundred twelve".