212320203133 has 2 divisors, whose sum is σ = 212320203134. Its totient is φ = 212320203132.

The previous prime is 212320203113. The next prime is 212320203197. The reversal of 212320203133 is 331302023212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207969745369 + 4350457764 = 456037^2 + 65958^2 .

It is a cyclic number.

It is not a de Polignac number, because 212320203133 - 2¹⁷ = 212320072061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212320203113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106160101566 + 106160101567.

It is an arithmetic number, because the mean of its divisors is an integer number (106160101567).

Almost surely, 2^212320203133 is an apocalyptic number.

It is an amenable number.

212320203133 is a deficient number, since it is larger than the sum of its proper divisors (1).

212320203133 is an equidigital number, since it uses as much as digits as its factorization.

212320203133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212320203133 its reverse (331302023212), we get a palindrome (543622226345).

The spelling of 212320203133 in words is "two hundred twelve billion, three hundred twenty million, two hundred three thousand, one hundred thirty-three".