12543017401107 has 32 divisors (see below), whose sum is σ = 19163359296000. Its totient is φ = 8104503889440.

The previous prime is 12543017401087. The next prime is 12543017401121. The reversal of 12543017401107 is 70110471034521.

12543017401107 is a `hidden beast` number, since 1 + 2 + 543 + 0 + 1 + 7 + 4 + 0 + 1 + 107 = 666.

It is not a de Polignac number, because 12543017401107 - 2²⁴ = 12543000623891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12543017401177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55336432 + ... + 55562637.

It is an arithmetic number, because the mean of its divisors is an integer number (598854978000).

Almost surely, 2^{12543017401107} is an apocalyptic number.

12543017401107 is a deficient number, since it is larger than the sum of its proper divisors (6620341894893).

12543017401107 is a wasteful number, since it uses less digits than its factorization.

12543017401107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110899208 (or 110899202 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 12543017401107 its reverse (70110471034521), we get a palindrome (82653488435628).

The spelling of 12543017401107 in words is "twelve trillion, five hundred forty-three billion, seventeen million, four hundred one thousand, one hundred seven".