12071887543 has 2 divisors, whose sum is σ = 12071887544. Its totient is φ = 12071887542.

The previous prime is 12071887411. The next prime is 12071887573. The reversal of 12071887543 is 34578817021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12071887543 - 2⁹ = 12071887031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12071887493 and 12071887502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12071887573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6035943771 + 6035943772.

It is an arithmetic number, because the mean of its divisors is an integer number (6035943772).

Almost surely, 2^12071887543 is an apocalyptic number.

12071887543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12071887543 is an equidigital number, since it uses as much as digits as its factorization.

12071887543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 12071887543 in words is "twelve billion, seventy-one million, eight hundred eighty-seven thousand, five hundred forty-three".