9894396800912 has 160 divisors (see below), whose sum is σ = 21814089808896. Its totient is φ = 4315078656000.

The previous prime is 9894396800909. The next prime is 9894396800947. The reversal of 9894396800912 is 2190086934989.

9894396800912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1331140748 + ... + 1331148180.

Almost surely, 2^{9894396800912} 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 9894396800912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10907044904448).

9894396800912 is an abundant number, since it is smaller than the sum of its proper divisors (11919693007984).

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

9894396800912 is a wasteful number, since it uses less digits than its factorization.

9894396800912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12329 (or 12323 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 68.

The spelling of 9894396800912 in words is "nine trillion, eight hundred ninety-four billion, three hundred ninety-six million, eight hundred thousand, nine hundred twelve".