8990312022012 has 96 divisors (see below), whose sum is σ = 22262113198080. Its totient is φ = 2815878340800.

The previous prime is 8990312022011. The next prime is 8990312022019. The reversal of 8990312022012 is 2102202130998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990312022011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22073113 + ... + 22476719.

It is an arithmetic number, because the mean of its divisors is an integer number (231897012480).

Almost surely, 2^{8990312022012} 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 8990312022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11131056599040).

8990312022012 is an abundant number, since it is smaller than the sum of its proper divisors (13271801176068).

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

8990312022012 is a wasteful number, since it uses less digits than its factorization.

8990312022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404431 (or 404429 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 8990312022012 in words is "eight trillion, nine hundred ninety billion, three hundred twelve million, twenty-two thousand, twelve".