206250112133 has 8 divisors (see below), whose sum is σ = 222301704408. Its totient is φ = 190225119744.

The previous prime is 206250112109. The next prime is 206250112139. The reversal of 206250112133 is 331211052602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13825761889 + 192424350244 = 117583^2 + 438662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206250112133 - 2¹⁴ = 206250095749 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 (206250112139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6633860 + ... + 6664877.

It is an arithmetic number, because the mean of its divisors is an integer number (27787713051).

Almost surely, 2^206250112133 is an apocalyptic number.

It is an amenable number.

206250112133 is a deficient number, since it is larger than the sum of its proper divisors (16051592275).

206250112133 is a wasteful number, since it uses less digits than its factorization.

206250112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299943.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 206250112133 its reverse (331211052602), we get a palindrome (537461164735).

The spelling of 206250112133 in words is "two hundred six billion, two hundred fifty million, one hundred twelve thousand, one hundred thirty-three".