12969188430181 has 2 divisors, whose sum is σ = 12969188430182. Its totient is φ = 12969188430180.

The previous prime is 12969188430109. The next prime is 12969188430197. The reversal of 12969188430181 is 18103488196921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7709202137025 + 5259986293156 = 2776545^2 + 2293466^2 .

It is a cyclic number.

It is not a de Polignac number, because 12969188430181 - 2⁷ = 12969188430053 is a prime.

It is a super-2 number, since 2×12969188430181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12969188430101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6484594215090 + 6484594215091.

It is an arithmetic number, because the mean of its divisors is an integer number (6484594215091).

Almost surely, 2^{12969188430181} is an apocalyptic number.

It is an amenable number.

12969188430181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12969188430181 is an equidigital number, since it uses as much as digits as its factorization.

12969188430181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 61.

The spelling of 12969188430181 in words is "twelve trillion, nine hundred sixty-nine billion, one hundred eighty-eight million, four hundred thirty thousand, one hundred eighty-one".