16212241 has 2 divisors, whose sum is σ = 16212242. Its totient is φ = 16212240.

The previous prime is 16212233. The next prime is 16212257. The reversal of 16212241 is 14221261.

16212241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13950225 + 2262016 = 3735^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 16212241 - 2³ = 16212233 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (16212281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8106120 + 8106121.

It is an arithmetic number, because the mean of its divisors is an integer number (8106121).

Almost surely, 2^16212241 is an apocalyptic number.

It is an amenable number.

16212241 is a deficient number, since it is larger than the sum of its proper divisors (1).

16212241 is an equidigital number, since it uses as much as digits as its factorization.

16212241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 16212241 is about 4026.4427228014. The cubic root of 16212241 is about 253.0935147751.

It can be divided in two parts, 162 and 12241, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 16212241 in words is "sixteen million, two hundred twelve thousand, two hundred forty-one".