12655768971 has 8 divisors (see below), whose sum is σ = 16959155200. Its totient is φ = 8394781032.

The previous prime is 12655768969. The next prime is 12655768973. The reversal of 12655768971 is 17986755621.

It is an interprime number because it is at equal distance from previous prime (12655768969) and next prime (12655768973).

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

It is not a de Polignac number, because 12655768971 - 2¹ = 12655768969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12655768973) 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, 10598875 + ... + 10600068.

It is an arithmetic number, because the mean of its divisors is an integer number (2119894400).

Almost surely, 2^12655768971 is an apocalyptic number.

12655768971 is a deficient number, since it is larger than the sum of its proper divisors (4303386229).

12655768971 is a wasteful number, since it uses less digits than its factorization.

12655768971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21199145.

The product of its digits is 6350400, while the sum is 57.

The spelling of 12655768971 in words is "twelve billion, six hundred fifty-five million, seven hundred sixty-eight thousand, nine hundred seventy-one".