212240108 has 24 divisors (see below), whose sum is σ = 400510320. Its totient is φ = 98081280.

The previous prime is 212240101. The next prime is 212240141. The reversal of 212240108 is 801042212.

It is a happy number.

212240108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212240108.

It is not an unprimeable number, because it can be changed into a prime (212240101) 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, 30941 + ... + 37172.

It is an arithmetic number, because the mean of its divisors is an integer number (16687930).

Almost surely, 2^212240108 is an apocalyptic number.

It is an amenable number.

212240108 is a deficient number, since it is larger than the sum of its proper divisors (188270212).

212240108 is a wasteful number, since it uses less digits than its factorization.

212240108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68177 (or 68175 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 212240108 is about 14568.4627878167. The cubic root of 212240108 is about 596.4982208495.

The spelling of 212240108 in words is "two hundred twelve million, two hundred forty thousand, one hundred eight".