12206575543 has 4 divisors (see below), whose sum is σ = 12209727880. Its totient is φ = 12203423208.

The previous prime is 12206575519. The next prime is 12206575547. The reversal of 12206575543 is 34557560221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12206575543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12206575496 and 12206575505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206575547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570353 + ... + 1578106.

It is an arithmetic number, because the mean of its divisors is an integer number (3052431970).

Almost surely, 2^12206575543 is an apocalyptic number.

12206575543 is a deficient number, since it is larger than the sum of its proper divisors (3152337).

12206575543 is an equidigital number, since it uses as much as digits as its factorization.

12206575543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152336.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 12206575543 in words is "twelve billion, two hundred six million, five hundred seventy-five thousand, five hundred forty-three".