212210202020203 has 4 divisors (see below), whose sum is σ = 215689057791088. Its totient is φ = 208731346249320.

The previous prime is 212210202020189. The next prime is 212210202020227. The reversal of 212210202020203 is 302020202012212.

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

It is a cyclic number.

It is not a de Polignac number, because 212210202020203 - 2⁵ = 212210202020171 is a prime.

It is a super-2 number, since 2×212210202020203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212210202020233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739427885351 + ... + 1739427885472.

It is an arithmetic number, because the mean of its divisors is an integer number (53922264447772).

Almost surely, 2^{212210202020203} is an apocalyptic number.

212210202020203 is a deficient number, since it is larger than the sum of its proper divisors (3478855770885).

212210202020203 is an equidigital number, since it uses as much as digits as its factorization.

212210202020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478855770884.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212210202020203 its reverse (302020202012212), we get a palindrome (514230404032415).

The spelling of 212210202020203 in words is "two hundred twelve trillion, two hundred ten billion, two hundred two million, twenty thousand, two hundred three".