200616121302843 has 4 divisors (see below), whose sum is σ = 267488161737128. Its totient is φ = 133744080868560.

The previous prime is 200616121302803. The next prime is 200616121302847. The reversal of 200616121302843 is 348203121616002.

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

It is not a de Polignac number, because 200616121302843 - 2²⁶ = 200616054193979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200616121302847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33436020217138 + ... + 33436020217143.

It is an arithmetic number, because the mean of its divisors is an integer number (66872040434282).

Almost surely, 2^{200616121302843} is an apocalyptic number.

200616121302843 is a deficient number, since it is larger than the sum of its proper divisors (66872040434285).

200616121302843 is an equidigital number, since it uses as much as digits as its factorization.

200616121302843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66872040434284.

The product of its (nonzero) digits is 82944, while the sum is 39.

Adding to 200616121302843 its reverse (348203121616002), we get a palindrome (548819242918845).

The spelling of 200616121302843 in words is "two hundred trillion, six hundred sixteen billion, one hundred twenty-one million, three hundred two thousand, eight hundred forty-three".