12707218218255 has 32 divisors (see below), whose sum is σ = 22895351543808. Its totient is φ = 5962331126400.

The previous prime is 12707218218223. The next prime is 12707218218257. The reversal of 12707218218255 is 55281281270721.

It is not a de Polignac number, because 12707218218255 - 2⁵ = 12707218218223 is a prime.

It is a super-2 number, since 2×12707218218255² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12707218218198 and 12707218218207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12707218218257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1242147204 + ... + 1242157433.

It is an arithmetic number, because the mean of its divisors is an integer number (715479735744).

Almost surely, 2^{12707218218255} is an apocalyptic number.

12707218218255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12707218218255 is a deficient number, since it is larger than the sum of its proper divisors (10188133325553).

12707218218255 is a wasteful number, since it uses less digits than its factorization.

12707218218255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484304687.

The product of its (nonzero) digits is 1254400, while the sum is 51.

Adding to 12707218218255 its reverse (55281281270721), we get a palindrome (67988499488976).

The spelling of 12707218218255 in words is "twelve trillion, seven hundred seven billion, two hundred eighteen million, two hundred eighteen thousand, two hundred fifty-five".