12223111032 has 128 divisors (see below), whose sum is σ = 37200384000. Its totient is φ = 3687909120.

The previous prime is 12223110971. The next prime is 12223111039. The reversal of 12223111032 is 23011132221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12223110996 and 12223111014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223111039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542569 + ... + 564647.

It is an arithmetic number, because the mean of its divisors is an integer number (290628000).

Almost surely, 2^12223111032 is an apocalyptic number.

12223111032 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 12223111032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18600192000).

12223111032 is an abundant number, since it is smaller than the sum of its proper divisors (24977272968).

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

12223111032 is a wasteful number, since it uses less digits than its factorization.

12223111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22338 (or 22328 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12223111032 its reverse (23011132221), we get a palindrome (35234243253).

The spelling of 12223111032 in words is "twelve billion, two hundred twenty-three million, one hundred eleven thousand, thirty-two".