12601361271 has 32 divisors (see below), whose sum is σ = 17582400000. Its totient is φ = 8017688448.

The previous prime is 12601361237. The next prime is 12601361303. The reversal of 12601361271 is 17216310621.

It is not a de Polignac number, because 12601361271 - 2¹⁷ = 12601230199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601360271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4730686 + ... + 4733348.

It is an arithmetic number, because the mean of its divisors is an integer number (549450000).

Almost surely, 2^12601361271 is an apocalyptic number.

12601361271 is a deficient number, since it is larger than the sum of its proper divisors (4981038729).

12601361271 is a wasteful number, since it uses less digits than its factorization.

12601361271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303.

The product of its (nonzero) digits is 3024, while the sum is 30.

Adding to 12601361271 its reverse (17216310621), we get a palindrome (29817671892).

The spelling of 12601361271 in words is "twelve billion, six hundred one million, three hundred sixty-one thousand, two hundred seventy-one".