12206416565543 has 4 divisors (see below), whose sum is σ = 12214059908760. Its totient is φ = 12198773222328.

The previous prime is 12206416565513. The next prime is 12206416565549. The reversal of 12206416565543 is 34556561460221.

12206416565543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12206416565543 - 2¹⁸ = 12206416303399 is a prime.

It is a super-2 number, since 2×12206416565543² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12206416565491 and 12206416565500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206416565549) 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, 3821669213 + ... + 3821672406.

It is an arithmetic number, because the mean of its divisors is an integer number (3053514977190).

Almost surely, 2^{12206416565543} is an apocalyptic number.

12206416565543 is a deficient number, since it is larger than the sum of its proper divisors (7643343217).

12206416565543 is an equidigital number, since it uses as much as digits as its factorization.

12206416565543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643343216.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 12206416565543 in words is "twelve trillion, two hundred six billion, four hundred sixteen million, five hundred sixty-five thousand, five hundred forty-three".