212031222203 has 2 divisors, whose sum is σ = 212031222204. Its totient is φ = 212031222202.

The previous prime is 212031222181. The next prime is 212031222269. The reversal of 212031222203 is 302222130212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212031222203 - 2¹² = 212031218107 is a prime.

It is not a weakly prime, because it can be changed into another prime (212031222283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015611101 + 106015611102.

It is an arithmetic number, because the mean of its divisors is an integer number (106015611102).

Almost surely, 2^212031222203 is an apocalyptic number.

212031222203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212031222203 is an equidigital number, since it uses as much as digits as its factorization.

212031222203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212031222203 its reverse (302222130212), we get a palindrome (514253352415).

The spelling of 212031222203 in words is "two hundred twelve billion, thirty-one million, two hundred twenty-two thousand, two hundred three".