12213323123021 has 8 divisors (see below), whose sum is σ = 13415091760320. Its totient is φ = 11067450701472.

The previous prime is 12213323123009. The next prime is 12213323123039. The reversal of 12213323123021 is 12032132331221.

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 12213323123021 - 2²² = 12213318928717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213323123621) 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, 13974053480 + ... + 13974054353.

It is an arithmetic number, because the mean of its divisors is an integer number (1676886470040).

Almost surely, 2^{12213323123021} is an apocalyptic number.

It is an amenable number.

12213323123021 is a deficient number, since it is larger than the sum of its proper divisors (1201768637299).

12213323123021 is a wasteful number, since it uses less digits than its factorization.

12213323123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27948107875.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12213323123021 its reverse (12032132331221), we get a palindrome (24245455454242).

The spelling of 12213323123021 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-three million, one hundred twenty-three thousand, twenty-one".