112112323211212 has 48 divisors (see below), whose sum is σ = 208023049100160. Its totient is φ = 52686236160000.

The previous prime is 112112323211209. The next prime is 112112323211219. The reversal of 112112323211212 is 212112323211211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112112323211219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2256619012 + ... + 2256668692.

It is an arithmetic number, because the mean of its divisors is an integer number (4333813522920).

Almost surely, 2^{112112323211212} is an apocalyptic number.

It is an amenable number.

112112323211212 is a deficient number, since it is larger than the sum of its proper divisors (95910725888948).

112112323211212 is a wasteful number, since it uses less digits than its factorization.

112112323211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94642 (or 94640 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

Adding to 112112323211212 its reverse (212112323211211), we get a palindrome (324224646422423).

Subtracting 112112323211212 from its reverse (212112323211211), we obtain a palindrome (99999999999999).

The spelling of 112112323211212 in words is "one hundred twelve trillion, one hundred twelve billion, three hundred twenty-three million, two hundred eleven thousand, two hundred twelve".