100189612 has 6 divisors (see below), whose sum is σ = 175331828. Its totient is φ = 50094804.

The previous prime is 100189601. The next prime is 100189627. The reversal of 100189612 is 216981001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12523698 + ... + 12523705.

Almost surely, 2^100189612 is an apocalyptic number.

It is an amenable number.

100189612 is a deficient number, since it is larger than the sum of its proper divisors (75142216).

100189612 is a wasteful number, since it uses less digits than its factorization.

100189612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25047407 (or 25047405 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 100189612 is about 10009.4761101668. The cubic root of 100189612 is about 464.4520651173.

The spelling of 100189612 in words is "one hundred million, one hundred eighty-nine thousand, six hundred twelve".