12543703336907 has 16 divisors (see below), whose sum is σ = 13605842914272. Its totient is φ = 11517608417280.

The previous prime is 12543703336889. The next prime is 12543703336921. The reversal of 12543703336907 is 70963330734521.

It is a cyclic number.

It is not a de Polignac number, because 12543703336907 - 2¹⁰ = 12543703335883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12543703306907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31447703 + ... + 31844079.

It is an arithmetic number, because the mean of its divisors is an integer number (850365182142).

Almost surely, 2^{12543703336907} is an apocalyptic number.

12543703336907 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12543703336907 is a deficient number, since it is larger than the sum of its proper divisors (1062139577365).

12543703336907 is a wasteful number, since it uses less digits than its factorization.

12543703336907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441838.

The product of its (nonzero) digits is 8573040, while the sum is 53.

The spelling of 12543703336907 in words is "twelve trillion, five hundred forty-three billion, seven hundred three million, three hundred thirty-six thousand, nine hundred seven".