212144133332321 has 8 divisors (see below), whose sum is σ = 216642473596800. Its totient is φ = 207675882300880.

The previous prime is 212144133332273. The next prime is 212144133332381. The reversal of 212144133332321 is 123233331441212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212144133332321 - 2¹⁴ = 212144133315937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212144133332381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7522294010 + ... + 7522322211.

It is an arithmetic number, because the mean of its divisors is an integer number (27080309199600).

Almost surely, 2^{212144133332321} is an apocalyptic number.

It is an amenable number.

212144133332321 is a deficient number, since it is larger than the sum of its proper divisors (4498340264479).

212144133332321 is a wasteful number, since it uses less digits than its factorization.

212144133332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15044616519.

The product of its digits is 62208, while the sum is 35.

Adding to 212144133332321 its reverse (123233331441212), we get a palindrome (335377464773533).

The spelling of 212144133332321 in words is "two hundred twelve trillion, one hundred forty-four billion, one hundred thirty-three million, three hundred thirty-two thousand, three hundred twenty-one".