212210303269 has 2 divisors, whose sum is σ = 212210303270. Its totient is φ = 212210303268.

The previous prime is 212210303197. The next prime is 212210303381. The reversal of 212210303269 is 962303012212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143951948100 + 68258355169 = 379410^2 + 261263^2 .

It is a cyclic number.

It is not a de Polignac number, because 212210303269 - 2¹¹ = 212210301221 is a prime.

It is a super-2 number, since 2×212210303269² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212210303269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212210303869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105151634 + 106105151635.

It is an arithmetic number, because the mean of its divisors is an integer number (106105151635).

Almost surely, 2^212210303269 is an apocalyptic number.

It is an amenable number.

212210303269 is a deficient number, since it is larger than the sum of its proper divisors (1).

212210303269 is an equidigital number, since it uses as much as digits as its factorization.

212210303269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 212210303269 in words is "two hundred twelve billion, two hundred ten million, three hundred three thousand, two hundred sixty-nine".