100609012 has 36 divisors (see below), whose sum is σ = 207973920. Its totient is φ = 41716080.

The previous prime is 100609001. The next prime is 100609037. The reversal of 100609012 is 210906001.

It is a super-2 number, since 2×100609012² = 20244346591232288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25039 + ... + 28777.

Almost surely, 2^100609012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100609012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103986960).

100609012 is an abundant number, since it is smaller than the sum of its proper divisors (107364908).

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

100609012 is a wasteful number, since it uses less digits than its factorization.

100609012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100609012 is about 10030.4043786878. The cubic root of 100609012 is about 465.0992380788.

The spelling of 100609012 in words is "one hundred million, six hundred nine thousand, twelve".