11222203323012 has 192 divisors, whose sum is σ = 30686086013184. Its totient is φ = 3154125864960.

The previous prime is 11222203322923. The next prime is 11222203323013. The reversal of 11222203323012 is 21032330222211.

It is not an unprimeable number, because it can be changed into a prime (11222203323013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198675718 + ... + 198732194.

It is an arithmetic number, because the mean of its divisors is an integer number (159823364652).

Almost surely, 2^{11222203323012} is an apocalyptic number.

11222203323012 is a gapful number since it is divisible by the number (12) 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 11222203323012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15343043006592).

11222203323012 is an abundant number, since it is smaller than the sum of its proper divisors (19463882690172).

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

11222203323012 is a wasteful number, since it uses less digits than its factorization.

11222203323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57798 (or 57796 counting only the distinct ones).

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

Adding to 11222203323012 its reverse (21032330222211), we get a palindrome (32254533545223).

The spelling of 11222203323012 in words is "eleven trillion, two hundred twenty-two billion, two hundred three million, three hundred twenty-three thousand, twelve".