11223012132 has 96 divisors (see below), whose sum is σ = 29690519040. Its totient is φ = 3665433600.

The previous prime is 11223012113. The next prime is 11223012167. The reversal of 11223012132 is 23121032211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052773 + ... + 1063379.

It is an arithmetic number, because the mean of its divisors is an integer number (309276240).

Almost surely, 2^11223012132 is an apocalyptic number.

11223012132 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 11223012132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14845259520).

11223012132 is an abundant number, since it is smaller than the sum of its proper divisors (18467506908).

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

11223012132 is a wasteful number, since it uses less digits than its factorization.

11223012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818 (or 10810 counting only the distinct ones).

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

Adding to 11223012132 its reverse (23121032211), we get a palindrome (34344044343).

The spelling of 11223012132 in words is "eleven billion, two hundred twenty-three million, twelve thousand, one hundred thirty-two".