12136116726 has 12 divisors (see below), whose sum is σ = 26294919612. Its totient is φ = 4045372236.

The previous prime is 12136116721. The next prime is 12136116731. The reversal of 12136116726 is 62761163121.

12136116726 is a `hidden beast` number, since 1 + 2 + 13 + 611 + 6 + 7 + 26 = 666.

It is an interprime number because it is at equal distance from previous prime (12136116721) and next prime (12136116731).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136116721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 337114336 + ... + 337114371.

It is an arithmetic number, because the mean of its divisors is an integer number (2191243301).

Almost surely, 2^12136116726 is an apocalyptic number.

12136116726 is an abundant number, since it is smaller than the sum of its proper divisors (14158802886).

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

12136116726 is a wasteful number, since it uses less digits than its factorization.

12136116726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674228715 (or 674228712 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

Adding to 12136116726 its reverse (62761163121), we get a palindrome (74897279847).

The spelling of 12136116726 in words is "twelve billion, one hundred thirty-six million, one hundred sixteen thousand, seven hundred twenty-six".