12702472671 has 16 divisors (see below), whose sum is σ = 20023603200. Its totient is φ = 7008260448.

The previous prime is 12702472669. The next prime is 12702472681. The reversal of 12702472671 is 17627420721.

It is not a de Polignac number, because 12702472671 - 2¹ = 12702472669 is a prime.

It is a super-2 number, since 2×12702472671² (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 (12702472681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10428351 + ... + 10429568.

It is an arithmetic number, because the mean of its divisors is an integer number (1251475200).

Almost surely, 2^12702472671 is an apocalyptic number.

12702472671 is a deficient number, since it is larger than the sum of its proper divisors (7321130529).

12702472671 is a wasteful number, since it uses less digits than its factorization.

12702472671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20857958.

The product of its (nonzero) digits is 65856, while the sum is 39.

The spelling of 12702472671 in words is "twelve billion, seven hundred two million, four hundred seventy-two thousand, six hundred seventy-one".