12213323221002 has 64 divisors (see below), whose sum is σ = 25956847405440. Its totient is φ = 3817825726464.

The previous prime is 12213323220991. The next prime is 12213323221003. The reversal of 12213323221002 is 20012232331221.

It is not an unprimeable number, because it can be changed into a prime (12213323221003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33961449 + ... + 34319187.

It is an arithmetic number, because the mean of its divisors is an integer number (405575740710).

Almost surely, 2^{12213323221002} is an apocalyptic number.

12213323221002 is an abundant number, since it is smaller than the sum of its proper divisors (13743524184438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12213323221002 is a wasteful number, since it uses less digits than its factorization.

12213323221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358967.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12213323221002 its reverse (20012232331221), we get a palindrome (32225555552223).

The spelling of 12213323221002 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-three million, two hundred twenty-one thousand, two".