12681482669 has 4 divisors (see below), whose sum is σ = 12728278080. Its totient is φ = 12634687260.

The previous prime is 12681482633. The next prime is 12681482677. The reversal of 12681482669 is 96628418621.

12681482669 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96628418621 = 7 ⋅13804059803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12681482669 is a prime.

It is a super-2 number, since 2×12681482669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12681482669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681082669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23397299 + ... + 23397840.

It is an arithmetic number, because the mean of its divisors is an integer number (3182069520).

Almost surely, 2^12681482669 is an apocalyptic number.

It is an amenable number.

12681482669 is a deficient number, since it is larger than the sum of its proper divisors (46795411).

12681482669 is an equidigital number, since it uses as much as digits as its factorization.

12681482669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46795410.

The product of its digits is 1990656, while the sum is 53.

The spelling of 12681482669 in words is "twelve billion, six hundred eighty-one million, four hundred eighty-two thousand, six hundred sixty-nine".