201100212 has 48 divisors (see below), whose sum is σ = 522150720. Its totient is φ = 66933216.

The previous prime is 201100189. The next prime is 201100213. The reversal of 201100212 is 212001102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201100194 and 201100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119803 + ... + 121469.

It is an arithmetic number, because the mean of its divisors is an integer number (10878140).

Almost surely, 2^201100212 is an apocalyptic number.

It is an amenable number.

201100212 is an abundant number, since it is smaller than the sum of its proper divisors (321050508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201100212 is a wasteful number, since it uses less digits than its factorization.

201100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 201100212 is about 14180.9806431008. The cubic root of 201100212 is about 585.8739337506.

Adding to 201100212 its reverse (212001102), we get a palindrome (413101314).

The spelling of 201100212 in words is "two hundred one million, one hundred thousand, two hundred twelve".