12682266228621 has 64 divisors (see below), whose sum is σ = 20725068672000. Its totient is φ = 7600997793600.

The previous prime is 12682266228587. The next prime is 12682266228637.

12682266228621 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 2 + 2 + 6 + 6 + 2 + 2 + 8 + 621 = 666.

12682266228621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12682266228621 - 2⁶ = 12682266228557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12682266228421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9414186 + ... + 10676676.

It is an arithmetic number, because the mean of its divisors is an integer number (323829198000).

Almost surely, 2^{12682266228621} is an apocalyptic number.

12682266228621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12682266228621 is a deficient number, since it is larger than the sum of its proper divisors (8042802443379).

12682266228621 is a wasteful number, since it uses less digits than its factorization.

12682266228621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262887 (or 1262881 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 12682266228621 in words is "twelve trillion, six hundred eighty-two billion, two hundred sixty-six million, two hundred twenty-eight thousand, six hundred twenty-one".