212441131304321 has 4 divisors (see below), whose sum is σ = 216449454536532. Its totient is φ = 208432808072112.

The previous prime is 212441131304293. The next prime is 212441131304393. The reversal of 212441131304321 is 123403131144212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157350430723600 + 55090700580721 = 12543940^2 + 7422311^2 .

It is a cyclic number.

It is not a de Polignac number, because 212441131304321 - 2³⁸ = 212166253397377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212441131364321) 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, 2004161616026 + ... + 2004161616131.

It is an arithmetic number, because the mean of its divisors is an integer number (54112363634133).

Almost surely, 2^{212441131304321} is an apocalyptic number.

It is an amenable number.

212441131304321 is a deficient number, since it is larger than the sum of its proper divisors (4008323232211).

212441131304321 is an equidigital number, since it uses as much as digits as its factorization.

212441131304321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008323232210.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 212441131304321 its reverse (123403131144212), we get a palindrome (335844262448533).

The spelling of 212441131304321 in words is "two hundred twelve trillion, four hundred forty-one billion, one hundred thirty-one million, three hundred four thousand, three hundred twenty-one".