12680567415218 has 4 divisors (see below), whose sum is σ = 19020851122830. Its totient is φ = 6340283707608.

The previous prime is 12680567415181. The next prime is 12680567415233. The reversal of 12680567415218 is 81251476508621.

It is a happy number.

12680567415218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12679318004809 + 1249410409 = 3560803^2 + 35347^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3170141853803 + ... + 3170141853806.

Almost surely, 2^{12680567415218} is an apocalyptic number.

12680567415218 is a deficient number, since it is larger than the sum of its proper divisors (6340283707612).

12680567415218 is an equidigital number, since it uses as much as digits as its factorization.

12680567415218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340283707611.

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 12680567415218 in words is "twelve trillion, six hundred eighty billion, five hundred sixty-seven million, four hundred fifteen thousand, two hundred eighteen".