212202121253 has 2 divisors, whose sum is σ = 212202121254. Its totient is φ = 212202121252.

The previous prime is 212202121177. The next prime is 212202121267. The reversal of 212202121253 is 352121202212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170930979844 + 41271141409 = 413438^2 + 203153^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202121253 - 2⁸ = 212202120997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202120253) 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, 106101060626 + 106101060627.

It is an arithmetic number, because the mean of its divisors is an integer number (106101060627).

Almost surely, 2^212202121253 is an apocalyptic number.

It is an amenable number.

212202121253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202121253 is an equidigital number, since it uses as much as digits as its factorization.

212202121253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 212202121253 its reverse (352121202212), we get a palindrome (564323323465).

The spelling of 212202121253 in words is "two hundred twelve billion, two hundred two million, one hundred twenty-one thousand, two hundred fifty-three".