12676688667621 has 96 divisors (see below), whose sum is σ = 21182107155456. Its totient is φ = 7232333184000.

The previous prime is 12676688667607. The next prime is 12676688667631.

12676688667621 is nontrivially palindromic in base 10.

12676688667621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12676688667621 - 2¹¹ = 12676688665573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12676688667621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12676688667631) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 590124201 + ... + 590145681.

It is an arithmetic number, because the mean of its divisors is an integer number (220646949536).

Almost surely, 2^{12676688667621} is an apocalyptic number.

12676688667621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12676688667621 is a deficient number, since it is larger than the sum of its proper divisors (8505418487835).

12676688667621 is a wasteful number, since it uses less digits than its factorization.

12676688667621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26763 (or 26760 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 72.

The spelling of 12676688667621 in words is "twelve trillion, six hundred seventy-six billion, six hundred eighty-eight million, six hundred sixty-seven thousand, six hundred twenty-one".