12203213233112 has 128 divisors (see below), whose sum is σ = 27050044919040. Its totient is φ = 5098087034880.

The previous prime is 12203213233111. The next prime is 12203213233157. The reversal of 12203213233112 is 21133231230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203213233111) 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, 331077788 + ... + 331114644.

It is an arithmetic number, because the mean of its divisors is an integer number (211328475930).

Almost surely, 2^{12203213233112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12203213233112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13525022459520).

12203213233112 is an abundant number, since it is smaller than the sum of its proper divisors (14846831685928).

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

12203213233112 is a wasteful number, since it uses less digits than its factorization.

12203213233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42081 (or 42077 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12203213233112 its reverse (21133231230221), we get a palindrome (33336444463333).

The spelling of 12203213233112 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, two hundred thirty-three thousand, one hundred twelve".