100220212 has 24 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 47356416.

The previous prime is 100220209. The next prime is 100220213. The reversal of 100220212 is 212022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35028 + ... + 37780.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^100220212 is an apocalyptic number.

It is an amenable number.

100220212 is a deficient number, since it is larger than the sum of its proper divisors (84848588).

100220212 is a wasteful number, since it uses less digits than its factorization.

100220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255 (or 3253 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 100220212 is about 10011.0045449995. The cubic root of 100220212 is about 464.4993447579.

Adding to 100220212 its reverse (212022001), we get a palindrome (312242213).

The spelling of 100220212 in words is "one hundred million, two hundred twenty thousand, two hundred twelve".