12012707843 has 2 divisors, whose sum is σ = 12012707844. Its totient is φ = 12012707842.

The previous prime is 12012707809. The next prime is 12012707867. The reversal of 12012707843 is 34870721021.

It is a strong prime.

It is an emirp because it is prime and its reverse (34870721021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12012707843 - 2¹⁰ = 12012706819 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012707143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006353921 + 6006353922.

It is an arithmetic number, because the mean of its divisors is an integer number (6006353922).

Almost surely, 2^12012707843 is an apocalyptic number.

12012707843 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012707843 is an equidigital number, since it uses as much as digits as its factorization.

12012707843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 12012707843 in words is "twelve billion, twelve million, seven hundred seven thousand, eight hundred forty-three".