212212221203 has 2 divisors, whose sum is σ = 212212221204. Its totient is φ = 212212221202.

The previous prime is 212212221079. The next prime is 212212221223. The reversal of 212212221203 is 302122212212.

It is an a-pointer prime, because the next prime (212212221223) can be obtained adding 212212221203 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212212221203 - 2¹⁰ = 212212220179 is a prime.

It is a super-2 number, since 2×212212221203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212212221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106110601 + 106106110602.

It is an arithmetic number, because the mean of its divisors is an integer number (106106110602).

Almost surely, 2^212212221203 is an apocalyptic number.

212212221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212221203 is an equidigital number, since it uses as much as digits as its factorization.

212212221203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212212221203 its reverse (302122212212), we get a palindrome (514334433415).

The spelling of 212212221203 in words is "two hundred twelve billion, two hundred twelve million, two hundred twenty-one thousand, two hundred three".