12132232169 has 2 divisors, whose sum is σ = 12132232170. Its totient is φ = 12132232168.

The previous prime is 12132232117. The next prime is 12132232171. The reversal of 12132232169 is 96123223121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9680001769 + 2452230400 = 98387^2 + 49520^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132232169 - 2³² = 7837264873 is a prime.

It is a super-2 number, since 2×12132232169² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 12132232171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12132232109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066116084 + 6066116085.

It is an arithmetic number, because the mean of its divisors is an integer number (6066116085).

Almost surely, 2^12132232169 is an apocalyptic number.

It is an amenable number.

12132232169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132232169 is an equidigital number, since it uses as much as digits as its factorization.

12132232169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The spelling of 12132232169 in words is "twelve billion, one hundred thirty-two million, two hundred thirty-two thousand, one hundred sixty-nine".