212227120 has 40 divisors (see below), whose sum is σ = 563919264. Its totient is φ = 72763392.

The previous prime is 212227109. The next prime is 212227129. The reversal of 212227120 is 21722212.

212227120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (212227129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188929 + ... + 190048.

Almost surely, 2^212227120 is an apocalyptic number.

212227120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212227120 is an abundant number, since it is smaller than the sum of its proper divisors (351692144).

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

212227120 is a wasteful number, since it uses less digits than its factorization.

212227120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378997 (or 378991 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 212227120 is about 14568.0170236035. The cubic root of 212227120 is about 596.4860530630.

Adding to 212227120 its reverse (21722212), we get a palindrome (233949332).

The spelling of 212227120 in words is "two hundred twelve million, two hundred twenty-seven thousand, one hundred twenty".