212324149 has 2 divisors, whose sum is σ = 212324150. Its totient is φ = 212324148.

The previous prime is 212324089. The next prime is 212324159. The reversal of 212324149 is 941423212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184688100 + 27636049 = 13590^2 + 5257^2 .

It is a cyclic number.

It is not a de Polignac number, because 212324149 - 2¹¹ = 212322101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212324159) 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, 106162074 + 106162075.

It is an arithmetic number, because the mean of its divisors is an integer number (106162075).

Almost surely, 2^212324149 is an apocalyptic number.

It is an amenable number.

212324149 is a deficient number, since it is larger than the sum of its proper divisors (1).

212324149 is an equidigital number, since it uses as much as digits as its factorization.

212324149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 212324149 is about 14571.3468492106. The cubic root of 212324149 is about 596.5769425265.

The spelling of 212324149 in words is "two hundred twelve million, three hundred twenty-four thousand, one hundred forty-nine".