266555235024012 has 48 divisors (see below), whose sum is σ = 685222098349824. Its totient is φ = 79974567960000.

The previous prime is 266555235023989. The next prime is 266555235024017. The reversal of 266555235024012 is 210420532555662.

266555235024012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266555235024012² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266555235024017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9996807664 + ... + 9996834327.

It is an arithmetic number, because the mean of its divisors is an integer number (14275460382288).

Almost surely, 2^{266555235024012} is an apocalyptic number.

266555235024012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

266555235024012 is an abundant number, since it is smaller than the sum of its proper divisors (418666863325812).

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

266555235024012 is a wasteful number, since it uses less digits than its factorization.

266555235024012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19993642110 (or 19993642108 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

Adding to 266555235024012 its reverse (210420532555662), we get a palindrome (476975767579674).

The spelling of 266555235024012 in words is "two hundred sixty-six trillion, five hundred fifty-five billion, two hundred thirty-five million, twenty-four thousand, twelve".