12023123321281 has 2 divisors, whose sum is σ = 12023123321282. Its totient is φ = 12023123321280.

The previous prime is 12023123321159. The next prime is 12023123321299. The reversal of 12023123321281 is 18212332132021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6079479235600 + 5943644085681 = 2465660^2 + 2437959^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023123321281 - 2¹⁵ = 12023123288513 is a prime.

It is a super-2 number, since 2×12023123321281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12023123321081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011561660640 + 6011561660641.

It is an arithmetic number, because the mean of its divisors is an integer number (6011561660641).

Almost surely, 2^{12023123321281} is an apocalyptic number.

It is an amenable number.

12023123321281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023123321281 is an equidigital number, since it uses as much as digits as its factorization.

12023123321281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 12023123321281 in words is "twelve trillion, twenty-three billion, one hundred twenty-three million, three hundred twenty-one thousand, two hundred eighty-one".