212012201112 has 64 divisors (see below), whose sum is σ = 544893004800. Its totient is φ = 68708985600.

The previous prime is 212012201111. The next prime is 212012201113. The reversal of 212012201112 is 211102210212.

212012201112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212012201111) and next prime (212012201113).

It is a junction number, because it is equal to n+sod(n) for n = 212012201091 and 212012201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012201111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 452037 + ... + 792692.

It is an arithmetic number, because the mean of its divisors is an integer number (8513953200).

Almost surely, 2^212012201112 is an apocalyptic number.

It is an amenable number.

212012201112 is an abundant number, since it is smaller than the sum of its proper divisors (332880803688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212012201112 is a wasteful number, since it uses less digits than its factorization.

212012201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244936 (or 1244932 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212012201112 its reverse (211102210212), we get a palindrome (423114411324).

The spelling of 212012201112 in words is "two hundred twelve billion, twelve million, two hundred one thousand, one hundred twelve".