412221211 has 4 divisors (see below), whose sum is σ = 416853000. Its totient is φ = 407589424.

The previous prime is 412221197. The next prime is 412221221. The reversal of 412221211 is 112122214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112122214 = 2 ⋅56061107.

It is a cyclic number.

It is not a de Polignac number, because 412221211 - 2⁵ = 412221179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412221221) 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 in 3 ways as a sum of consecutive naturals, for example, 2315761 + ... + 2315938.

It is an arithmetic number, because the mean of its divisors is an integer number (104213250).

Almost surely, 2^412221211 is an apocalyptic number.

412221211 is a deficient number, since it is larger than the sum of its proper divisors (4631789).

412221211 is an equidigital number, since it uses as much as digits as its factorization.

412221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631788.

The product of its digits is 64, while the sum is 16.

The square root of 412221211 is about 20303.2315408164. The cubic root of 412221211 is about 744.2350366170.

Adding to 412221211 its reverse (112122214), we get a palindrome (524343425).

The spelling of 412221211 in words is "four hundred twelve million, two hundred twenty-one thousand, two hundred eleven".