12652481181 has 16 divisors (see below), whose sum is σ = 17033213120. Its totient is φ = 8353445760.

The previous prime is 12652481129. The next prime is 12652481213. The reversal of 12652481181 is 18118425621.

12652481181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12652481181 is a prime.

It is a super-2 number, since 2×12652481181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652481381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737406 + ... + 754368.

It is an arithmetic number, because the mean of its divisors is an integer number (1064575820).

Almost surely, 2^12652481181 is an apocalyptic number.

It is an amenable number.

12652481181 is a deficient number, since it is larger than the sum of its proper divisors (4380731939).

12652481181 is a wasteful number, since it uses less digits than its factorization.

12652481181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19356.

The product of its digits is 30720, while the sum is 39.

The spelling of 12652481181 in words is "twelve billion, six hundred fifty-two million, four hundred eighty-one thousand, one hundred eighty-one".