212424323321 has 8 divisors (see below), whose sum is σ = 242970147840. Its totient is φ = 181928371968.

The previous prime is 212424323273. The next prime is 212424323339. The reversal of 212424323321 is 123323424212.

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

It is not a de Polignac number, because 212424323321 - 2⁶ = 212424323257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212424320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12459161 + ... + 12476198.

It is an arithmetic number, because the mean of its divisors is an integer number (30371268480).

Almost surely, 2^212424323321 is an apocalyptic number.

It is an amenable number.

212424323321 is a deficient number, since it is larger than the sum of its proper divisors (30545824519).

212424323321 is a wasteful number, since it uses less digits than its factorization.

212424323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24936583.

The product of its digits is 13824, while the sum is 29.

Adding to 212424323321 its reverse (123323424212), we get a palindrome (335747747533).

The spelling of 212424323321 in words is "two hundred twelve billion, four hundred twenty-four million, three hundred twenty-three thousand, three hundred twenty-one".