12043408813181 has 2 divisors, whose sum is σ = 12043408813182. Its totient is φ = 12043408813180.

The previous prime is 12043408813091. The next prime is 12043408813213. The reversal of 12043408813181 is 18131880434021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11074186284100 + 969222529081 = 3327790^2 + 984491^2 .

It is a cyclic number.

It is not a de Polignac number, because 12043408813181 - 2¹⁰ = 12043408812157 is a prime.

It is a super-2 number, since 2×12043408813181² (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 (12043408843181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021704406590 + 6021704406591.

It is an arithmetic number, because the mean of its divisors is an integer number (6021704406591).

Almost surely, 2^{12043408813181} is an apocalyptic number.

It is an amenable number.

12043408813181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043408813181 is an equidigital number, since it uses as much as digits as its factorization.

12043408813181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 12043408813181 in words is "twelve trillion, forty-three billion, four hundred eight million, eight hundred thirteen thousand, one hundred eighty-one".