212222113112 has 32 divisors (see below), whose sum is σ = 405020250000. Its totient is φ = 104219908608.

The previous prime is 212222113099. The next prime is 212222113151. The reversal of 212222113112 is 211311222212.

212222113112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 333764 + ... + 732012.

Almost surely, 2^212222113112 is an apocalyptic number.

It is an amenable number.

212222113112 is a deficient number, since it is larger than the sum of its proper divisors (192798136888).

212222113112 is a wasteful number, since it uses less digits than its factorization.

212222113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399443 (or 399439 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

Adding to 212222113112 its reverse (211311222212), we get a palindrome (423533335324).

The spelling of 212222113112 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred twelve".