12213323003021 has 4 divisors (see below), whose sum is σ = 13958083432032. Its totient is φ = 10468562574012.

The previous prime is 12213323002939. The next prime is 12213323003047. The reversal of 12213323003021 is 12030032331221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12213323003021 - 2¹⁸ = 12213322740877 is a prime.

It is a super-2 number, since 2×12213323003021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213323003621) 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 3 ways as a sum of consecutive naturals, for example, 872380214495 + ... + 872380214508.

It is an arithmetic number, because the mean of its divisors is an integer number (3489520858008).

Almost surely, 2^{12213323003021} is an apocalyptic number.

It is an amenable number.

12213323003021 is a deficient number, since it is larger than the sum of its proper divisors (1744760429011).

12213323003021 is an equidigital number, since it uses as much as digits as its factorization.

12213323003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744760429010.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12213323003021 its reverse (12030032331221), we get a palindrome (24243355334242).

The spelling of 12213323003021 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-three million, three thousand, twenty-one".