210001220300213 has 4 divisors (see below), whose sum is σ = 210001932895788. Its totient is φ = 210000507704640.

The previous prime is 210001220300189. The next prime is 210001220300239. The reversal of 210001220300213 is 312003022100012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81842111435569 + 128159108864644 = 9046663^2 + 11320738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210001220300213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210001220300191 and 210001220300200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001220303213) 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, 355855556 + ... + 356445197.

It is an arithmetic number, because the mean of its divisors is an integer number (52500483223947).

Almost surely, 2^{210001220300213} is an apocalyptic number.

It is an amenable number.

210001220300213 is a deficient number, since it is larger than the sum of its proper divisors (712595575).

210001220300213 is an equidigital number, since it uses as much as digits as its factorization.

210001220300213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712595574.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210001220300213 its reverse (312003022100012), we get a palindrome (522004242400225).

The spelling of 210001220300213 in words is "two hundred ten trillion, one billion, two hundred twenty million, three hundred thousand, two hundred thirteen".