12132130691 has 2 divisors, whose sum is σ = 12132130692. Its totient is φ = 12132130690.

The previous prime is 12132130669. The next prime is 12132130697. The reversal of 12132130691 is 19603123121.

12132130691 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12132130691 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12132130697) 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, 6066065345 + 6066065346.

It is an arithmetic number, because the mean of its divisors is an integer number (6066065346).

Almost surely, 2^12132130691 is an apocalyptic number.

12132130691 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132130691 is an equidigital number, since it uses as much as digits as its factorization.

12132130691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 12132130691 in words is "twelve billion, one hundred thirty-two million, one hundred thirty thousand, six hundred ninety-one".