212369141 has 2 divisors, whose sum is σ = 212369142. Its totient is φ = 212369140.

The previous prime is 212369111. The next prime is 212369147. The reversal of 212369141 is 141963212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187827025 + 24542116 = 13705^2 + 4954^2 .

It is a cyclic number.

It is not a de Polignac number, because 212369141 - 2¹⁴ = 212352757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212369147) 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, 106184570 + 106184571.

It is an arithmetic number, because the mean of its divisors is an integer number (106184571).

Almost surely, 2^212369141 is an apocalyptic number.

It is an amenable number.

212369141 is a deficient number, since it is larger than the sum of its proper divisors (1).

212369141 is an equidigital number, since it uses as much as digits as its factorization.

212369141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 212369141 is about 14572.8906192286. The cubic root of 212369141 is about 596.6190782488.

The spelling of 212369141 in words is "two hundred twelve million, three hundred sixty-nine thousand, one hundred forty-one".