12885671801 has 4 divisors (see below), whose sum is σ = 12920218212. Its totient is φ = 12851125392.

The previous prime is 12885671797. The next prime is 12885671873. The reversal of 12885671801 is 10817658821.

12885671801 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 an emirpimes, since its reverse is a distinct semiprime: 10817658821 = 66377 ⋅162973.

It can be written as a sum of positive squares in 2 ways, for example, as 4366566400 + 8519105401 = 66080^2 + 92299^2 .

It is a cyclic number.

It is not a de Polignac number, because 12885671801 - 2² = 12885671797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12885671891) 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, 17272646 + ... + 17273391.

It is an arithmetic number, because the mean of its divisors is an integer number (3230054553).

Almost surely, 2^12885671801 is an apocalyptic number.

It is an amenable number.

12885671801 is a deficient number, since it is larger than the sum of its proper divisors (34546411).

12885671801 is an equidigital number, since it uses as much as digits as its factorization.

12885671801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34546410.

The product of its (nonzero) digits is 215040, while the sum is 47.

The spelling of 12885671801 in words is "twelve billion, eight hundred eighty-five million, six hundred seventy-one thousand, eight hundred one".