12708052667 has 4 divisors (see below), whose sum is σ = 13260576720. Its totient is φ = 12155528616.

The previous prime is 12708052661. The next prime is 12708052681. The reversal of 12708052667 is 76625080721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76625080721 = 7 ⋅10946440103.

It is a cyclic number.

It is not a de Polignac number, because 12708052667 - 2⁸ = 12708052411 is a prime.

It is a super-2 number, since 2×12708052667² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12708052661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276261992 + ... + 276262037.

It is an arithmetic number, because the mean of its divisors is an integer number (3315144180).

Almost surely, 2^12708052667 is an apocalyptic number.

12708052667 is a deficient number, since it is larger than the sum of its proper divisors (552524053).

12708052667 is an equidigital number, since it uses as much as digits as its factorization.

12708052667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552524052.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 12708052667 in words is "twelve billion, seven hundred eight million, fifty-two thousand, six hundred sixty-seven".