12481316365918 has 16 divisors (see below), whose sum is σ = 19690549013376. Its totient is φ = 5925396690720.

The previous prime is 12481316365891. The next prime is 12481316366021. The reversal of 12481316365918 is 81956361318421.

12481316365918 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-2 number, since 2×12481316365918² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899162321 + ... + 1899168892.

It is an arithmetic number, because the mean of its divisors is an integer number (1230659313336).

Almost surely, 2^{12481316365918} is an apocalyptic number.

12481316365918 is a deficient number, since it is larger than the sum of its proper divisors (7209232647458).

12481316365918 is a wasteful number, since it uses less digits than its factorization.

12481316365918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798331299.

The product of its digits is 7464960, while the sum is 58.

The spelling of 12481316365918 in words is "twelve trillion, four hundred eighty-one billion, three hundred sixteen million, three hundred sixty-five thousand, nine hundred eighteen".