12255530521943 has 2 divisors, whose sum is σ = 12255530521944. Its totient is φ = 12255530521942.

The previous prime is 12255530521901. The next prime is 12255530521957. The reversal of 12255530521943 is 34912503555221.

It is a strong prime.

It is an emirp because it is prime and its reverse (34912503555221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12255530521943 - 2¹² = 12255530517847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12255530521963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127765260971 + 6127765260972.

It is an arithmetic number, because the mean of its divisors is an integer number (6127765260972).

Almost surely, 2^{12255530521943} is an apocalyptic number.

12255530521943 is a deficient number, since it is larger than the sum of its proper divisors (1).

12255530521943 is an equidigital number, since it uses as much as digits as its factorization.

12255530521943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 12255530521943 in words is "twelve trillion, two hundred fifty-five billion, five hundred thirty million, five hundred twenty-one thousand, nine hundred forty-three".