100212108 has 12 divisors (see below), whose sum is σ = 233828280. Its totient is φ = 33404032.

The previous prime is 100212103. The next prime is 100212113. The reversal of 100212108 is 801212001.

It is an interprime number because it is at equal distance from previous prime (100212103) and next prime (100212113).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (100212103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4175493 + ... + 4175516.

It is an arithmetic number, because the mean of its divisors is an integer number (19485690).

Almost surely, 2^100212108 is an apocalyptic number.

It is an amenable number.

100212108 is an abundant number, since it is smaller than the sum of its proper divisors (133616172).

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

100212108 is a wasteful number, since it uses less digits than its factorization.

100212108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351016 (or 8351014 counting only the distinct ones).

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

The square root of 100212108 is about 10010.5997822308. The cubic root of 100212108 is about 464.4868243156.

Adding to 100212108 its reverse (801212001), we get a palindrome (901424109).

The spelling of 100212108 in words is "one hundred million, two hundred twelve thousand, one hundred eight".