212222013321 has 8 divisors (see below), whose sum is σ = 286544490880. Its totient is φ = 139690438992.

The previous prime is 212222013319. The next prime is 212222013361. The reversal of 212222013321 is 123310222212.

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

It is not a de Polignac number, because 212222013321 - 2¹ = 212222013319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212222013361) 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, 447725530 + ... + 447726003.

It is an arithmetic number, because the mean of its divisors is an integer number (35818061360).

Almost surely, 2^212222013321 is an apocalyptic number.

It is an amenable number.

212222013321 is a deficient number, since it is larger than the sum of its proper divisors (74322477559).

212222013321 is an equidigital number, since it uses as much as digits as its factorization.

212222013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895451615.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212222013321 its reverse (123310222212), we get a palindrome (335532235533).

The spelling of 212222013321 in words is "two hundred twelve billion, two hundred twenty-two million, thirteen thousand, three hundred twenty-one".