100212606 has 96 divisors (see below), whose sum is σ = 245952000. Its totient is φ = 30225312.

The previous prime is 100212599. The next prime is 100212617. The reversal of 100212606 is 606212001.

It is a happy number.

It is a super-2 number, since 2×100212606² = 20085132802622472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 47 ways as a sum of consecutive naturals, for example, 720885 + ... + 721023.

It is an arithmetic number, because the mean of its divisors is an integer number (2562000).

Almost surely, 2^100212606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100212606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122976000).

100212606 is an abundant number, since it is smaller than the sum of its proper divisors (145739394).

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

100212606 is a wasteful number, since it uses less digits than its factorization.

100212606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100212606 is about 10010.6246558344. The cubic root of 100212606 is about 464.4875937304.

Adding to 100212606 its reverse (606212001), we get a palindrome (706424607).

The spelling of 100212606 in words is "one hundred million, two hundred twelve thousand, six hundred six".