266200212 has 72 divisors (see below), whose sum is σ = 671519520. Its totient is φ = 82035200.

The previous prime is 266200199. The next prime is 266200213. The reversal of 266200212 is 212002662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266200213) 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 23 ways as a sum of consecutive naturals, for example, 203962 + ... + 205262.

It is an arithmetic number, because the mean of its divisors is an integer number (9326660).

Almost surely, 2^266200212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266200212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335759760).

266200212 is an abundant number, since it is smaller than the sum of its proper divisors (405319308).

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

266200212 is a wasteful number, since it uses less digits than its factorization.

266200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 266200212 is about 16315.6431684442. The cubic root of 266200212 is about 643.2840731759.

Adding to 266200212 its reverse (212002662), we get a palindrome (478202874).

The spelling of 266200212 in words is "two hundred sixty-six million, two hundred thousand, two hundred twelve".