12013121130281 has 2 divisors, whose sum is σ = 12013121130282. Its totient is φ = 12013121130280.

The previous prime is 12013121130247. The next prime is 12013121130313. The reversal of 12013121130281 is 18203112131021.

It is a happy number.

12013121130281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11229931529881 + 783189600400 = 3351109^2 + 884980^2 .

It is a cyclic number.

It is not a de Polignac number, because 12013121130281 - 2¹⁸ = 12013120868137 is a prime.

It is a super-2 number, since 2×12013121130281² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12013121130281.

It is not a weakly prime, because it can be changed into another prime (12013121130181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006560565140 + 6006560565141.

It is an arithmetic number, because the mean of its divisors is an integer number (6006560565141).

Almost surely, 2^{12013121130281} is an apocalyptic number.

It is an amenable number.

12013121130281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013121130281 is an equidigital number, since it uses as much as digits as its factorization.

12013121130281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12013121130281 in words is "twelve trillion, thirteen billion, one hundred twenty-one million, one hundred thirty thousand, two hundred eighty-one".