12543703337029 has 2 divisors, whose sum is σ = 12543703337030. Its totient is φ = 12543703337028.

The previous prime is 12543703336939. The next prime is 12543703337041. The reversal of 12543703337029 is 92073330734521.

12543703337029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9693869796004 + 2849833541025 = 3113498^2 + 1688145^2 .

It is an emirp because it is prime and its reverse (92073330734521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12543703337029 - 2¹⁹ = 12543702812741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12543703335029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271851668514 + 6271851668515.

It is an arithmetic number, because the mean of its divisors is an integer number (6271851668515).

Almost surely, 2^{12543703337029} is an apocalyptic number.

It is an amenable number.

12543703337029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12543703337029 is an equidigital number, since it uses as much as digits as its factorization.

12543703337029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 49.

The spelling of 12543703337029 in words is "twelve trillion, five hundred forty-three billion, seven hundred three million, three hundred thirty-seven thousand, twenty-nine".