12207898111543 has 2 divisors, whose sum is σ = 12207898111544. Its totient is φ = 12207898111542.

The previous prime is 12207898111471. The next prime is 12207898111697. The reversal of 12207898111543 is 34511189870221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12207898111543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12207898111243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6103949055771 + 6103949055772.

It is an arithmetic number, because the mean of its divisors is an integer number (6103949055772).

Almost surely, 2^{12207898111543} is an apocalyptic number.

12207898111543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12207898111543 is an equidigital number, since it uses as much as digits as its factorization.

12207898111543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 52.

The spelling of 12207898111543 in words is "twelve trillion, two hundred seven billion, eight hundred ninety-eight million, one hundred eleven thousand, five hundred forty-three".