206122510343 has 4 divisors (see below), whose sum is σ = 207356777040. Its totient is φ = 204888243648.

The previous prime is 206122510339. The next prime is 206122510351. The reversal of 206122510343 is 343015221602.

It is a happy number.

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 206122510343 - 2² = 206122510339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206122510313) 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, 617133098 + ... + 617133431.

It is an arithmetic number, because the mean of its divisors is an integer number (51839194260).

Almost surely, 2^206122510343 is an apocalyptic number.

206122510343 is a deficient number, since it is larger than the sum of its proper divisors (1234266697).

206122510343 is a wasteful number, since it uses less digits than its factorization.

206122510343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234266696.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 206122510343 its reverse (343015221602), we get a palindrome (549137731945).

The spelling of 206122510343 in words is "two hundred six billion, one hundred twenty-two million, five hundred ten thousand, three hundred forty-three".