12011529601 has 2 divisors, whose sum is σ = 12011529602. Its totient is φ = 12011529600.

The previous prime is 12011529553. The next prime is 12011529613. The reversal of 12011529601 is 10692511021.

12011529601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11739939201 + 271590400 = 108351^2 + 16480^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011529601 - 2¹¹ = 12011527553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12011529601.

It is not a weakly prime, because it can be changed into another prime (12011529001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005764800 + 6005764801.

It is an arithmetic number, because the mean of its divisors is an integer number (6005764801).

Almost surely, 2^12011529601 is an apocalyptic number.

It is an amenable number.

12011529601 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011529601 is an equidigital number, since it uses as much as digits as its factorization.

12011529601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 12011529601 in words is "twelve billion, eleven million, five hundred twenty-nine thousand, six hundred one".