12706423271 has 32 divisors (see below), whose sum is σ = 13860419328. Its totient is φ = 11604902400.

The previous prime is 12706423259. The next prime is 12706423273. The reversal of 12706423271 is 17232460721.

It is a cyclic number.

It is not a de Polignac number, because 12706423271 - 2¹⁴ = 12706406887 is a prime.

It is a super-2 number, since 2×12706423271² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12706423273) 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, 23229020 + ... + 23229566.

It is an arithmetic number, because the mean of its divisors is an integer number (433138104).

Almost surely, 2^12706423271 is an apocalyptic number.

12706423271 is a deficient number, since it is larger than the sum of its proper divisors (1153996057).

12706423271 is a wasteful number, since it uses less digits than its factorization.

12706423271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 12706423271 its reverse (17232460721), we get a palindrome (29938883992).

The spelling of 12706423271 in words is "twelve billion, seven hundred six million, four hundred twenty-three thousand, two hundred seventy-one".