12117435325768 has 32 divisors (see below), whose sum is σ = 23197414716000. Its totient is φ = 5932750044928.

The previous prime is 12117435325763. The next prime is 12117435325769. The reversal of 12117435325768 is 86752353471121.

It is a happy number.

12117435325768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12117435325763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80673418 + ... + 80823481.

It is an arithmetic number, because the mean of its divisors is an integer number (724919209875).

Almost surely, 2^{12117435325768} is an apocalyptic number.

It is an amenable number.

12117435325768 is a deficient number, since it is larger than the sum of its proper divisors (11079979390232).

12117435325768 is a wasteful number, since it uses less digits than its factorization.

12117435325768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161497101 (or 161497097 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 55.

Adding to 12117435325768 its reverse (86752353471121), we get a palindrome (98869788796889).

The spelling of 12117435325768 in words is "twelve trillion, one hundred seventeen billion, four hundred thirty-five million, three hundred twenty-five thousand, seven hundred sixty-eight".