100212044 has 12 divisors (see below), whose sum is σ = 175441224. Its totient is φ = 50085984.

The previous prime is 100212043. The next prime is 100212067. The reversal of 100212044 is 440212001.

It is not an unprimeable number, because it can be changed into a prime (100212043) 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, 16559 + ... + 21785.

It is an arithmetic number, because the mean of its divisors is an integer number (14620102).

Almost surely, 2^100212044 is an apocalyptic number.

It is an amenable number.

100212044 is a deficient number, since it is larger than the sum of its proper divisors (75229180).

100212044 is a wasteful number, since it uses less digits than its factorization.

100212044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024 (or 10022 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 100212044 is about 10010.5965856187. The cubic root of 100212044 is about 464.4867254347.

Adding to 100212044 its reverse (440212001), we get a palindrome (540424045).

The spelling of 100212044 in words is "one hundred million, two hundred twelve thousand, forty-four".