12321222212321 has 8 divisors (see below), whose sum is σ = 13481941584288. Its totient is φ = 11167270884000.

The previous prime is 12321222212293. The next prime is 12321222212389.

12321222212321 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2^k-12321222212321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321222211321) 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, 1692007100 + ... + 1692014381.

It is an arithmetic number, because the mean of its divisors is an integer number (1685242698036).

Almost surely, 2^{12321222212321} is an apocalyptic number.

12321222212321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12321222212321 is a deficient number, since it is larger than the sum of its proper divisors (1160719371967).

12321222212321 is a wasteful number, since it uses less digits than its factorization.

12321222212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384021823.

The product of its digits is 2304, while the sum is 26.

It can be divided in two parts, 1232122 and 2212321, that added together give a palindrome (3444443).

The spelling of 12321222212321 in words is "twelve trillion, three hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, three hundred twenty-one".