12213223330021 has 8 divisors (see below), whose sum is σ = 13958168966784. Its totient is φ = 10468327554960.

The previous prime is 12213223330013. The next prime is 12213223330027. The reversal of 12213223330021 is 12003332231221.

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 12213223330021 - 2³ = 12213223330013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213223330027) 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, 11939065 + ... + 12921598.

It is an arithmetic number, because the mean of its divisors is an integer number (1744771120848).

Almost surely, 2^{12213223330021} is an apocalyptic number.

It is an amenable number.

12213223330021 is a deficient number, since it is larger than the sum of its proper divisors (1744945636763).

12213223330021 is an equidigital number, since it uses as much as digits as its factorization.

12213223330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24930851.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12213223330021 its reverse (12003332231221), we get a palindrome (24216555561242).

The spelling of 12213223330021 in words is "twelve trillion, two hundred thirteen billion, two hundred twenty-three million, three hundred thirty thousand, twenty-one".