212202220253 has 2 divisors, whose sum is σ = 212202220254. Its totient is φ = 212202220252.

The previous prime is 212202220213. The next prime is 212202220273. The reversal of 212202220253 is 352022202212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194492466169 + 17709754084 = 441013^2 + 133078^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202220253 - 2⁶ = 212202220189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101110126 + 106101110127.

It is an arithmetic number, because the mean of its divisors is an integer number (106101110127).

Almost surely, 2^212202220253 is an apocalyptic number.

It is an amenable number.

212202220253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202220253 is an equidigital number, since it uses as much as digits as its factorization.

212202220253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 212202220253 its reverse (352022202212), we get a palindrome (564224422465).

The spelling of 212202220253 in words is "two hundred twelve billion, two hundred two million, two hundred twenty thousand, two hundred fifty-three".