212230112 has 48 divisors (see below), whose sum is σ = 432598320. Its totient is φ = 102423552.

The previous prime is 212230111. The next prime is 212230181. The reversal of 212230112 is 211032212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121598 + ... + 123330.

It is an arithmetic number, because the mean of its divisors is an integer number (9012465).

Almost surely, 2^212230112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212230112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216299160).

212230112 is an abundant number, since it is smaller than the sum of its proper divisors (220368208).

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

212230112 is a wasteful number, since it uses less digits than its factorization.

212230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212230112 is about 14568.1197139507. The cubic root of 212230112 is about 596.4888561573.

Adding to 212230112 its reverse (211032212), we get a palindrome (423262324).

The spelling of 212230112 in words is "two hundred twelve million, two hundred thirty thousand, one hundred twelve".