212202423043253 has 2 divisors, whose sum is σ = 212202423043254. Its totient is φ = 212202423043252.

The previous prime is 212202423043223. The next prime is 212202423043309. The reversal of 212202423043253 is 352340324202212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212189855960644 + 12567082609 = 14566738^2 + 112103^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202423043253 - 2²⁰ = 212202421994677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202423043223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101211521626 + 106101211521627.

It is an arithmetic number, because the mean of its divisors is an integer number (106101211521627).

Almost surely, 2^{212202423043253} is an apocalyptic number.

It is an amenable number.

212202423043253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202423043253 is an equidigital number, since it uses as much as digits as its factorization.

212202423043253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 212202423043253 its reverse (352340324202212), we get a palindrome (564542747245465).

The spelling of 212202423043253 in words is "two hundred twelve trillion, two hundred two billion, four hundred twenty-three million, forty-three thousand, two hundred fifty-three".