100442212 has 24 divisors (see below), whose sum is σ = 189605696. Its totient is φ = 46281888.

The previous prime is 100442207. The next prime is 100442269. The reversal of 100442212 is 212244001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41623 + ... + 43969.

Almost surely, 2^100442212 is an apocalyptic number.

It is an amenable number.

100442212 is a deficient number, since it is larger than the sum of its proper divisors (89163484).

100442212 is a wasteful number, since it uses less digits than its factorization.

100442212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187 (or 3185 counting only the distinct ones).

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

The square root of 100442212 is about 10022.0862099665. The cubic root of 100442212 is about 464.8420660705.

Adding to 100442212 its reverse (212244001), we get a palindrome (312686213).

The spelling of 100442212 in words is "one hundred million, four hundred forty-two thousand, two hundred twelve".