12144041021291 has 2 divisors, whose sum is σ = 12144041021292. Its totient is φ = 12144041021290.

The previous prime is 12144041021279. The next prime is 12144041021341. The reversal of 12144041021291 is 19212014044121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12144041021291 is a prime.

It is not a weakly prime, because it can be changed into another prime (12144041021261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072020510645 + 6072020510646.

It is an arithmetic number, because the mean of its divisors is an integer number (6072020510646).

Almost surely, 2^{12144041021291} is an apocalyptic number.

12144041021291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144041021291 is an equidigital number, since it uses as much as digits as its factorization.

12144041021291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 12144041021291 in words is "twelve trillion, one hundred forty-four billion, forty-one million, twenty-one thousand, two hundred ninety-one".