112120133212 has 12 divisors (see below), whose sum is σ = 196216289136. Its totient is φ = 56058336320.

The previous prime is 112120133137. The next prime is 112120133233. The reversal of 112120133212 is 212331021211.

It is a self number, because there is not a number n which added to its sum of digits gives 112120133212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280864 + ... + 550567.

It is an arithmetic number, because the mean of its divisors is an integer number (16351357428).

Almost surely, 2^112120133212 is an apocalyptic number.

It is an amenable number.

112120133212 is a deficient number, since it is larger than the sum of its proper divisors (84096155924).

112120133212 is a wasteful number, since it uses less digits than its factorization.

112120133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865148 (or 865146 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112120133212 its reverse (212331021211), we get a palindrome (324451154423).

The spelling of 112120133212 in words is "one hundred twelve billion, one hundred twenty million, one hundred thirty-three thousand, two hundred twelve".