12143774560121 has 2 divisors, whose sum is σ = 12143774560122. Its totient is φ = 12143774560120.

The previous prime is 12143774560069. The next prime is 12143774560163. The reversal of 12143774560121 is 12106547734121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12123899199721 + 19875360400 = 3481939^2 + 140980^2 .

It is a cyclic number.

It is not a de Polignac number, because 12143774560121 - 2¹⁴ = 12143774543737 is a prime.

It is not a weakly prime, because it can be changed into another prime (12143774562121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071887280060 + 6071887280061.

It is an arithmetic number, because the mean of its divisors is an integer number (6071887280061).

Almost surely, 2^{12143774560121} is an apocalyptic number.

It is an amenable number.

12143774560121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143774560121 is an equidigital number, since it uses as much as digits as its factorization.

12143774560121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 12143774560121 in words is "twelve trillion, one hundred forty-three billion, seven hundred seventy-four million, five hundred sixty thousand, one hundred twenty-one".