12256363530181 has 2 divisors, whose sum is σ = 12256363530182. Its totient is φ = 12256363530180.

The previous prime is 12256363530083. The next prime is 12256363530199. The reversal of 12256363530181 is 18103536365221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7473438270081 + 4782925260100 = 2733759^2 + 2186990^2 .

It is a cyclic number.

It is not a de Polignac number, because 12256363530181 - 2⁷ = 12256363530053 is a prime.

It is a super-2 number, since 2×12256363530181² (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 (12256363530781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6128181765090 + 6128181765091.

It is an arithmetic number, because the mean of its divisors is an integer number (6128181765091).

Almost surely, 2^{12256363530181} is an apocalyptic number.

It is an amenable number.

12256363530181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12256363530181 is an equidigital number, since it uses as much as digits as its factorization.

12256363530181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 12256363530181 in words is "twelve trillion, two hundred fifty-six billion, three hundred sixty-three million, five hundred thirty thousand, one hundred eighty-one".