412320303221 has 4 divisors (see below), whose sum is σ = 412321663692. Its totient is φ = 412318942752.

The previous prime is 412320303209. The next prime is 412320303253. The reversal of 412320303221 is 122303023214.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19490952100 + 392829351121 = 139610^2 + 626761^2 .

It is a cyclic number.

It is not a de Polignac number, because 412320303221 - 2¹⁰ = 412320302197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412320303281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3371 + ... + 908103.

It is an arithmetic number, because the mean of its divisors is an integer number (103080415923).

Almost surely, 2^412320303221 is an apocalyptic number.

It is an amenable number.

412320303221 is a deficient number, since it is larger than the sum of its proper divisors (1360471).

412320303221 is an equidigital number, since it uses as much as digits as its factorization.

412320303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360470.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 412320303221 its reverse (122303023214), we get a palindrome (534623326435).

The spelling of 412320303221 in words is "four hundred twelve billion, three hundred twenty million, three hundred three thousand, two hundred twenty-one".