12543299203 has 2 divisors, whose sum is σ = 12543299204. Its totient is φ = 12543299202.

The previous prime is 12543299201. The next prime is 12543299233. The reversal of 12543299203 is 30299234521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12543299203 - 2¹ = 12543299201 is a prime.

Together with 12543299201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12543299201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271649601 + 6271649602.

It is an arithmetic number, because the mean of its divisors is an integer number (6271649602).

Almost surely, 2^12543299203 is an apocalyptic number.

12543299203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12543299203 is an equidigital number, since it uses as much as digits as its factorization.

12543299203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 12543299203 in words is "twelve billion, five hundred forty-three million, two hundred ninety-nine thousand, two hundred three".