100009912 has 16 divisors (see below), whose sum is σ = 198549360. Its totient is φ = 47063424.

The previous prime is 100009883. The next prime is 100009913. The reversal of 100009912 is 219900001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100009913) 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, 367548 + ... + 367819.

It is an arithmetic number, because the mean of its divisors is an integer number (12409335).

Almost surely, 2^100009912 is an apocalyptic number.

It is an amenable number.

100009912 is a deficient number, since it is larger than the sum of its proper divisors (98539448).

100009912 is a wasteful number, since it uses less digits than its factorization.

100009912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735390 (or 735386 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 100009912 is about 10000.4955877196. The cubic root of 100009912 is about 464.1742186641.

Adding to 100009912 its reverse (219900001), we get a palindrome (319909913).

The spelling of 100009912 in words is "one hundred million, nine thousand, nine hundred twelve".