12660481171 has 8 divisors (see below), whose sum is σ = 13639288544. Its totient is φ = 11682377280.

The previous prime is 12660481153. The next prime is 12660481181. The reversal of 12660481171 is 17118406621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12660481171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12660481171.

It is not an unprimeable number, because it can be changed into a prime (12660481181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138186 + ... + 210751.

It is an arithmetic number, because the mean of its divisors is an integer number (1704911068).

Almost surely, 2^12660481171 is an apocalyptic number.

12660481171 is a deficient number, since it is larger than the sum of its proper divisors (978807373).

12660481171 is a wasteful number, since it uses less digits than its factorization.

12660481171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351741.

The product of its (nonzero) digits is 16128, while the sum is 37.

Adding to 12660481171 its reverse (17118406621), we get a palindrome (29778887792).

The spelling of 12660481171 in words is "twelve billion, six hundred sixty million, four hundred eighty-one thousand, one hundred seventy-one".