266012321222306 has 16 divisors (see below), whose sum is σ = 426522406883328. Its totient is φ = 124120277133600.

The previous prime is 266012321222303. The next prime is 266012321222309. The reversal of 266012321222306 is 603222123210662.

It is an interprime number because it is at equal distance from previous prime (266012321222303) and next prime (266012321222309).

It is a super-2 number, since 2×266012321222306² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266012321222306.

It is not an unprimeable number, because it can be changed into a prime (266012321222303) 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, 70522882850 + ... + 70522886621.

It is an arithmetic number, because the mean of its divisors is an integer number (26657650430208).

Almost surely, 2^{266012321222306} is an apocalyptic number.

266012321222306 is a deficient number, since it is larger than the sum of its proper divisors (160510085661022).

266012321222306 is a wasteful number, since it uses less digits than its factorization.

266012321222306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141045769537.

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 266012321222306 its reverse (603222123210662), we get a palindrome (869234444432968).

The spelling of 266012321222306 in words is "two hundred sixty-six trillion, twelve billion, three hundred twenty-one million, two hundred twenty-two thousand, three hundred six".