12011340529 has 2 divisors, whose sum is σ = 12011340530. Its totient is φ = 12011340528.

The previous prime is 12011340527. The next prime is 12011340559. The reversal of 12011340529 is 92504311021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7876207504 + 4135133025 = 88748^2 + 64305^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011340529 - 2¹ = 12011340527 is a prime.

Together with 12011340527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12011340497 and 12011340506.

It is not a weakly prime, because it can be changed into another prime (12011340527) 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, 6005670264 + 6005670265.

It is an arithmetic number, because the mean of its divisors is an integer number (6005670265).

Almost surely, 2^12011340529 is an apocalyptic number.

It is an amenable number.

12011340529 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011340529 is an equidigital number, since it uses as much as digits as its factorization.

12011340529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 12011340529 in words is "twelve billion, eleven million, three hundred forty thousand, five hundred twenty-nine".