41212321 has 2 divisors, whose sum is σ = 41212322. Its totient is φ = 41212320.

The previous prime is 41212319. The next prime is 41212331. The reversal of 41212321 is 12321214.

41212321 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., 29550096 + 11662225 = 5436^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 41212321 - 2¹ = 41212319 is a prime.

Together with 41212319, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 41212295 and 41212304.

It is not a weakly prime, because it can be changed into another prime (41212331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20606160 + 20606161.

It is an arithmetic number, because the mean of its divisors is an integer number (20606161).

Almost surely, 2^41212321 is an apocalyptic number.

It is an amenable number.

41212321 is a deficient number, since it is larger than the sum of its proper divisors (1).

41212321 is an equidigital number, since it uses as much as digits as its factorization.

41212321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 16.

The square root of 41212321 is about 6419.6823130121. The cubic root of 41212321 is about 345.4159262860.

Adding to 41212321 its reverse (12321214), we get a palindrome (53533535).

The spelling of 41212321 in words is "forty-one million, two hundred twelve thousand, three hundred twenty-one".