12701117305018 has 48 divisors (see below), whose sum is σ = 21076837512120. Its totient is φ = 5719821750272.

The previous prime is 12701117305013. The next prime is 12701117305027. The reversal of 12701117305018 is 81050371110721.

It can be written as a sum of positive squares in 12 ways, for example, as 861716754369 + 11839400550649 = 928287^2 + 3440843^2 .

It is a super-2 number, since 2×12701117305018² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12701117305013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1265688 + ... + 5196556.

Almost surely, 2^{12701117305018} is an apocalyptic number.

12701117305018 is a deficient number, since it is larger than the sum of its proper divisors (8375720207102).

12701117305018 is a wasteful number, since it uses less digits than its factorization.

12701117305018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931059 (or 3931030 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 37.

Adding to 12701117305018 its reverse (81050371110721), we get a palindrome (93751488415739).

The spelling of 12701117305018 in words is "twelve trillion, seven hundred one billion, one hundred seventeen million, three hundred five thousand, eighteen".