212303120269 has 2 divisors, whose sum is σ = 212303120270. Its totient is φ = 212303120268.

The previous prime is 212303120261. The next prime is 212303120273. The reversal of 212303120269 is 962021303212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176389080169 + 35914040100 = 419987^2 + 189510^2 .

It is a cyclic number.

It is not a de Polignac number, because 212303120269 - 2³ = 212303120261 is a prime.

It is a super-2 number, since 2×212303120269² (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 212303120269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212303120261) 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, 106151560134 + 106151560135.

It is an arithmetic number, because the mean of its divisors is an integer number (106151560135).

Almost surely, 2^212303120269 is an apocalyptic number.

It is an amenable number.

212303120269 is a deficient number, since it is larger than the sum of its proper divisors (1).

212303120269 is an equidigital number, since it uses as much as digits as its factorization.

212303120269 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 212303120269 in words is "two hundred twelve billion, three hundred three million, one hundred twenty thousand, two hundred sixty-nine".