212112213112 has 16 divisors (see below), whose sum is σ = 398682802800. Its totient is φ = 105796799040.

The previous prime is 212112213041. The next prime is 212112213121. The reversal of 212112213112 is 211312211212.

212112213112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212112213112.

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, 32409964 + ... + 32416507.

It is an arithmetic number, because the mean of its divisors is an integer number (24917675175).

Almost surely, 2^212112213112 is an apocalyptic number.

It is an amenable number.

212112213112 is a deficient number, since it is larger than the sum of its proper divisors (186570589688).

212112213112 is a wasteful number, since it uses less digits than its factorization.

212112213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64826886 (or 64826882 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 212112213112 its reverse (211312211212), we get a palindrome (423424424324).

The spelling of 212112213112 in words is "two hundred twelve billion, one hundred twelve million, two hundred thirteen thousand, one hundred twelve".