100212244 has 12 divisors (see below), whose sum is σ = 191314368. Its totient is φ = 45551000.

The previous prime is 100212223. The next prime is 100212253. The reversal of 100212244 is 442212001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138732 + ... + 1138819.

It is an arithmetic number, because the mean of its divisors is an integer number (15942864).

Almost surely, 2^100212244 is an apocalyptic number.

It is an amenable number.

100212244 is a deficient number, since it is larger than the sum of its proper divisors (91102124).

100212244 is a wasteful number, since it uses less digits than its factorization.

100212244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277566 (or 2277564 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 100212244 is about 10010.6065750283. The cubic root of 100212244 is about 464.4870344371.

Adding to 100212244 its reverse (442212001), we get a palindrome (542424245).

The spelling of 100212244 in words is "one hundred million, two hundred twelve thousand, two hundred forty-four".