12213321033000 has 256 divisors, whose sum is σ = 40354661168640. Its totient is φ = 3064727040000.

The previous prime is 12213321032893. The next prime is 12213321033037. The reversal of 12213321033000 is 33012331221.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 313681534 + ... + 313720466.

It is an arithmetic number, because the mean of its divisors is an integer number (157635395190).

Almost surely, 2^{12213321033000} is an apocalyptic number.

12213321033000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12213321033000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20177330584320).

12213321033000 is an abundant number, since it is smaller than the sum of its proper divisors (28141340135640).

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

12213321033000 is a wasteful number, since it uses less digits than its factorization.

12213321033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45125 (or 45111 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12213321033000 its reverse (33012331221), we get a palindrome (12246333364221).

The spelling of 12213321033000 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-one million, thirty-three thousand".