8821312113210 has 32 divisors (see below), whose sum is σ = 22091633815680. Its totient is φ = 2250073814208.

The previous prime is 8821312113199. The next prime is 8821312113239. The reversal of 8821312113210 is 123112131288.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6392254465 + ... + 6392255844.

It is an arithmetic number, because the mean of its divisors is an integer number (690363556740).

Almost surely, 2^{8821312113210} is an apocalyptic number.

8821312113210 is an abundant number, since it is smaller than the sum of its proper divisors (13270321702470).

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

8821312113210 is a wasteful number, since it uses less digits than its factorization.

8821312113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12784510342.

The product of its (nonzero) digits is 4608, while the sum is 33.

Adding to 8821312113210 its reverse (123112131288), we get a palindrome (8944424244498).

The spelling of 8821312113210 in words is "eight trillion, eight hundred twenty-one billion, three hundred twelve million, one hundred thirteen thousand, two hundred ten".