100212219 has 12 divisors (see below), whose sum is σ = 151044816. Its totient is φ = 63903312.

The previous prime is 100212163. The next prime is 100212223. The reversal of 100212219 is 912212001.

It is not a de Polignac number, because 100212219 - 2¹² = 100208123 is a prime.

It is a super-2 number, since 2×100212219² = 20084977673807922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100212419) by changing a digit.

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, 241852 + ... + 242265.

It is an arithmetic number, because the mean of its divisors is an integer number (12587068).

Almost surely, 2^100212219 is an apocalyptic number.

100212219 is a deficient number, since it is larger than the sum of its proper divisors (50832597).

100212219 is a wasteful number, since it uses less digits than its factorization.

100212219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484146 (or 484143 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 100212219 is about 10010.6053263526. The cubic root of 100212219 is about 464.4869958119.

The spelling of 100212219 in words is "one hundred million, two hundred twelve thousand, two hundred nineteen".