12132889129 has 2 divisors, whose sum is σ = 12132889130. Its totient is φ = 12132889128.

The previous prime is 12132889117. The next prime is 12132889157. The reversal of 12132889129 is 92198823121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9949663504 + 2183225625 = 99748^2 + 46725^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132889129 - 2¹⁹ = 12132364841 is a prime.

It is not a weakly prime, because it can be changed into another prime (12132889729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066444564 + 6066444565.

It is an arithmetic number, because the mean of its divisors is an integer number (6066444565).

Almost surely, 2^12132889129 is an apocalyptic number.

It is an amenable number.

12132889129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132889129 is an equidigital number, since it uses as much as digits as its factorization.

12132889129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 46.

The spelling of 12132889129 in words is "twelve billion, one hundred thirty-two million, eight hundred eighty-nine thousand, one hundred twenty-nine".