12728363637588 has 48 divisors (see below), whose sum is σ = 30171835040256. Its totient is φ = 4175819036640.

The previous prime is 12728363637569. The next prime is 12728363637589. The reversal of 12728363637588 is 88573636382721.

It is a super-2 number, since 2×12728363637588² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12728363637589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31387578 + ... + 31790513.

It is an arithmetic number, because the mean of its divisors is an integer number (628579896672).

Almost surely, 2^{12728363637588} is an apocalyptic number.

It is an amenable number.

12728363637588 is an abundant number, since it is smaller than the sum of its proper divisors (17443471402668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12728363637588 is a wasteful number, since it uses less digits than its factorization.

12728363637588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63178364 (or 63178362 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 69.

The spelling of 12728363637588 in words is "twelve trillion, seven hundred twenty-eight billion, three hundred sixty-three million, six hundred thirty-seven thousand, five hundred eighty-eight".