981111232312 has 16 divisors (see below), whose sum is σ = 1839736899000. Its totient is φ = 490514725920.

The previous prime is 981111232289. The next prime is 981111232319. The reversal of 981111232312 is 213232111189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981111232319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009187 + ... + 5201362.

Almost surely, 2^981111232312 is an apocalyptic number.

It is an amenable number.

981111232312 is a deficient number, since it is larger than the sum of its proper divisors (858625666688).

981111232312 is a wasteful number, since it uses less digits than its factorization.

981111232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10222566 (or 10222562 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The spelling of 981111232312 in words is "nine hundred eighty-one billion, one hundred eleven million, two hundred thirty-two thousand, three hundred twelve".