12213323020000 has 60 divisors (see below), whose sum is σ = 30046606676856. Its totient is φ = 4885329200000.

The previous prime is 12213323019979. The next prime is 12213323020009. The reversal of 12213323020000 is 2032331221.

It is a self number, because there is not a number n which added to its sum of digits gives 12213323020000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213323020009) 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 9 ways as a sum of consecutive naturals, for example, 305313076 + ... + 305353075.

Almost surely, 2^{12213323020000} is an apocalyptic number.

12213323020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213323020000 is an abundant number, since it is smaller than the sum of its proper divisors (17833283656856).

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

12213323020000 is an frugal number, since it uses more digits than its factorization.

12213323020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610666181 (or 610666158 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12213323020000 its reverse (2032331221), we get a palindrome (12215355351221).

The spelling of 12213323020000 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-three million, twenty thousand".