108209212 has 12 divisors (see below), whose sum is σ = 189679336. Its totient is φ = 54015120.

The previous prime is 108209191. The next prime is 108209243. The reversal of 108209212 is 212902801.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19614 + ... + 24517.

Almost surely, 2^108209212 is an apocalyptic number.

It is an amenable number.

108209212 is a deficient number, since it is larger than the sum of its proper divisors (81470124).

108209212 is a wasteful number, since it uses less digits than its factorization.

108209212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44748 (or 44746 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 108209212 is about 10402.3656924759. The cubic root of 108209212 is about 476.5276203450.

The spelling of 108209212 in words is "one hundred eight million, two hundred nine thousand, two hundred twelve".