12802543043 has 2 divisors, whose sum is σ = 12802543044. Its totient is φ = 12802543042.

The previous prime is 12802543031. The next prime is 12802543099. The reversal of 12802543043 is 34034520821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12802543043 - 2⁶ = 12802542979 is a prime.

It is not a weakly prime, because it can be changed into another prime (12802543343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401271521 + 6401271522.

It is an arithmetic number, because the mean of its divisors is an integer number (6401271522).

Almost surely, 2^12802543043 is an apocalyptic number.

12802543043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12802543043 is an equidigital number, since it uses as much as digits as its factorization.

12802543043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 12802543043 in words is "twelve billion, eight hundred two million, five hundred forty-three thousand, forty-three".