100212203 has 24 divisors (see below), whose sum is σ = 127648080. Its totient is φ = 77958720.

The previous prime is 100212163. The next prime is 100212223. The reversal of 100212203 is 302212001.

It is a happy number.

It is not a de Polignac number, because 100212203 - 2¹⁰ = 100211179 is a prime.

It is a super-2 number, since 2×100212203² = 20084971260226418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100212223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37568 + ... + 40146.

It is an arithmetic number, because the mean of its divisors is an integer number (5318670).

Almost surely, 2^100212203 is an apocalyptic number.

100212203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100212203 is a deficient number, since it is larger than the sum of its proper divisors (27435877).

100212203 is a wasteful number, since it uses less digits than its factorization.

100212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667 (or 2660 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100212203 is about 10010.6045272001. The cubic root of 100212203 is about 464.4869710917.

Adding to 100212203 its reverse (302212001), we get a palindrome (402424204).

The spelling of 100212203 in words is "one hundred million, two hundred twelve thousand, two hundred three".