100209112 has 32 divisors (see below), whose sum is σ = 195886080. Its totient is φ = 48005280.

The previous prime is 100209107. The next prime is 100209113. The reversal of 100209112 is 211902001.

It is a super-2 number, since 2×100209112² = 20083732255657088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100209113) 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, 23583 + ... + 27505.

It is an arithmetic number, because the mean of its divisors is an integer number (6121440).

Almost surely, 2^100209112 is an apocalyptic number.

It is an amenable number.

100209112 is a deficient number, since it is larger than the sum of its proper divisors (95676968).

100209112 is a wasteful number, since it uses less digits than its factorization.

100209112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 100209112 is about 10010.4501397290. The cubic root of 100209112 is about 464.4821954125.

The spelling of 100209112 in words is "one hundred million, two hundred nine thousand, one hundred twelve".