201443412213 has 8 divisors (see below), whose sum is σ = 298434684800. Its totient is φ = 134295608124.

The previous prime is 201443412199. The next prime is 201443412223. The reversal of 201443412213 is 312214344102.

201443412213 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 434 + 1 + 221 + 3 = 666.

It is not a de Polignac number, because 201443412213 - 2⁸ = 201443411957 is a prime.

It is a super-3 number, since 3×201443412213³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7460867119 = 201443412213 / (2 + 0 + 1 + 4 + 4 + 3 + 4 + 1 + 2 + 2 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201443412223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3730433533 + ... + 3730433586.

It is an arithmetic number, because the mean of its divisors is an integer number (37304335600).

Almost surely, 2^201443412213 is an apocalyptic number.

It is an amenable number.

201443412213 is a deficient number, since it is larger than the sum of its proper divisors (96991272587).

201443412213 is an equidigital number, since it uses as much as digits as its factorization.

201443412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460867128 (or 7460867122 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 201443412213 its reverse (312214344102), we get a palindrome (513657756315).

The spelling of 201443412213 in words is "two hundred one billion, four hundred forty-three million, four hundred twelve thousand, two hundred thirteen".