12043203871 has 2 divisors, whose sum is σ = 12043203872. Its totient is φ = 12043203870.

The previous prime is 12043203863. The next prime is 12043203883. The reversal of 12043203871 is 17830234021.

It is a weak prime.

It is an emirp because it is prime and its reverse (17830234021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12043203871 - 2³ = 12043203863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12043243871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021601935 + 6021601936.

It is an arithmetic number, because the mean of its divisors is an integer number (6021601936).

Almost surely, 2^12043203871 is an apocalyptic number.

12043203871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043203871 is an equidigital number, since it uses as much as digits as its factorization.

12043203871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 12043203871 its reverse (17830234021), we get a palindrome (29873437892).

The spelling of 12043203871 in words is "twelve billion, forty-three million, two hundred three thousand, eight hundred seventy-one".