12005311259 has 2 divisors, whose sum is σ = 12005311260. Its totient is φ = 12005311258.

The previous prime is 12005311117. The next prime is 12005311289. The reversal of 12005311259 is 95211350021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12005311259 is a prime.

It is not a weakly prime, because it can be changed into another prime (12005311289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002655629 + 6002655630.

It is an arithmetic number, because the mean of its divisors is an integer number (6002655630).

Almost surely, 2^12005311259 is an apocalyptic number.

12005311259 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005311259 is an equidigital number, since it uses as much as digits as its factorization.

12005311259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The spelling of 12005311259 in words is "twelve billion, five million, three hundred eleven thousand, two hundred fifty-nine".