912222111112 has 16 divisors (see below), whose sum is σ = 1841986955340. Its totient is φ = 421025589696.

The previous prime is 912222111109. The next prime is 912222111173. The reversal of 912222111112 is 211111222219.

It can be written as a sum of positive squares in 2 ways, for example, as 830879648676 + 81342462436 = 911526^2 + 285206^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385683123 + ... + 4385683330.

Almost surely, 2^912222111112 is an apocalyptic number.

It is an amenable number.

912222111112 is an abundant number, since it is smaller than the sum of its proper divisors (929764844228).

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

912222111112 is a wasteful number, since it uses less digits than its factorization.

912222111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771366472 (or 8771366468 counting only the distinct ones).

The product of its digits is 288, while the sum is 25.

The spelling of 912222111112 in words is "nine hundred twelve billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twelve".