12252243163543 has 2 divisors, whose sum is σ = 12252243163544. Its totient is φ = 12252243163542.

The previous prime is 12252243163493. The next prime is 12252243163577. The reversal of 12252243163543 is 34536134225221.

It is a strong prime.

It is an emirp because it is prime and its reverse (34536134225221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12252243163543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12252243163543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12252243163843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6126121581771 + 6126121581772.

It is an arithmetic number, because the mean of its divisors is an integer number (6126121581772).

Almost surely, 2^{12252243163543} is an apocalyptic number.

12252243163543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12252243163543 is an equidigital number, since it uses as much as digits as its factorization.

12252243163543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 43.

Adding to 12252243163543 its reverse (34536134225221), we get a palindrome (46788377388764).

The spelling of 12252243163543 in words is "twelve trillion, two hundred fifty-two billion, two hundred forty-three million, one hundred sixty-three thousand, five hundred forty-three".