12168518726 has 64 divisors (see below), whose sum is σ = 24462950400. Its totient is φ = 4403258496.

The previous prime is 12168518711. The next prime is 12168518731. The reversal of 12168518726 is 62781586121.

12168518726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12168518726³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 39611 + ... + 160953.

It is an arithmetic number, because the mean of its divisors is an integer number (382233600).

Almost surely, 2^12168518726 is an apocalyptic number.

12168518726 is an abundant number, since it is smaller than the sum of its proper divisors (12294431674).

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

12168518726 is a wasteful number, since it uses less digits than its factorization.

12168518726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121413.

The product of its digits is 322560, while the sum is 47.

The spelling of 12168518726 in words is "twelve billion, one hundred sixty-eight million, five hundred eighteen thousand, seven hundred twenty-six".