212021130203 has 2 divisors, whose sum is σ = 212021130204. Its totient is φ = 212021130202.

The previous prime is 212021130193. The next prime is 212021130271. The reversal of 212021130203 is 302031120212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212021130203 - 2¹⁰ = 212021129179 is a prime.

It is not a weakly prime, because it can be changed into another prime (212021190203) 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 as a sum of consecutive naturals, namely, 106010565101 + 106010565102.

It is an arithmetic number, because the mean of its divisors is an integer number (106010565102).

Almost surely, 2^212021130203 is an apocalyptic number.

212021130203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021130203 is an equidigital number, since it uses as much as digits as its factorization.

212021130203 is an odious number, because the sum of its binary digits is odd.

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

Adding to 212021130203 its reverse (302031120212), we get a palindrome (514052250415).

Subtracting 212021130203 from its reverse (302031120212), we obtain a palindrome (90009990009).

The spelling of 212021130203 in words is "two hundred twelve billion, twenty-one million, one hundred thirty thousand, two hundred three".