200012641 has 4 divisors (see below), whose sum is σ = 200695572. Its totient is φ = 199329712.

The previous prime is 200012591. The next prime is 200012693. The reversal of 200012641 is 146210002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146210002 = 2 ⋅73105001.

It can be written as a sum of positive squares in 2 ways, for example, as 196112016 + 3900625 = 14004^2 + 1975^2 .

It is a cyclic number.

It is not a de Polignac number, because 200012641 - 2⁹ = 200012129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200012441) 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, 341026 + ... + 341611.

It is an arithmetic number, because the mean of its divisors is an integer number (50173893).

Almost surely, 2^200012641 is an apocalyptic number.

It is an amenable number.

200012641 is a deficient number, since it is larger than the sum of its proper divisors (682931).

200012641 is an equidigital number, since it uses as much as digits as its factorization.

200012641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682930.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 200012641 is about 14142.5825435102. The cubic root of 200012641 is about 584.8158682191.

Adding to 200012641 its reverse (146210002), we get a palindrome (346222643).

It can be divided in two parts, 2000 and 12641, that added together give a palindrome (14641).

The spelling of 200012641 in words is "two hundred million, twelve thousand, six hundred forty-one".