212020021112 has 32 divisors (see below), whose sum is σ = 398641461120. Its totient is φ = 105716039520.

The previous prime is 212020021091. The next prime is 212020021159. The reversal of 212020021112 is 211120020212.

212020021112 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, 4255787 + ... + 4305317.

It is an arithmetic number, because the mean of its divisors is an integer number (12457545660).

Almost surely, 2^212020021112 is an apocalyptic number.

It is an amenable number.

212020021112 is a deficient number, since it is larger than the sum of its proper divisors (186621440008).

212020021112 is a wasteful number, since it uses less digits than its factorization.

212020021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51011 (or 51007 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212020021112 its reverse (211120020212), we get a palindrome (423140041324).

The spelling of 212020021112 in words is "two hundred twelve billion, twenty million, twenty-one thousand, one hundred twelve".