200512143 has 12 divisors (see below), whose sum is σ = 311907960. Its totient is φ = 123392016.

The previous prime is 200512141. The next prime is 200512159. The reversal of 200512143 is 341215002.

It is not a de Polignac number, because 200512143 - 2¹ = 200512141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200512141) 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 11 ways as a sum of consecutive naturals, for example, 856773 + ... + 857006.

It is an arithmetic number, because the mean of its divisors is an integer number (25992330).

Almost surely, 2^200512143 is an apocalyptic number.

200512143 is a deficient number, since it is larger than the sum of its proper divisors (111395817).

200512143 is a wasteful number, since it uses less digits than its factorization.

200512143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713798 (or 1713795 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 200512143 is about 14160.2310362508. The cubic root of 200512143 is about 585.3022939077.

Adding to 200512143 its reverse (341215002), we get a palindrome (541727145).

The spelling of 200512143 in words is "two hundred million, five hundred twelve thousand, one hundred forty-three".