11232012132 has 288 divisors, whose sum is σ = 34237292544. Its totient is φ = 3065011200.

The previous prime is 11232012097. The next prime is 11232012137. The reversal of 11232012132 is 23121023211.

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

It is not an unprimeable number, because it can be changed into a prime (11232012137) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22329793 + ... + 22330295.

It is an arithmetic number, because the mean of its divisors is an integer number (118879488).

Almost surely, 2^11232012132 is an apocalyptic number.

11232012132 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 11232012132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17118646272).

11232012132 is an abundant number, since it is smaller than the sum of its proper divisors (23005280412).

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

11232012132 is a wasteful number, since it uses less digits than its factorization.

11232012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 674 counting only the distinct ones).

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

Adding to 11232012132 its reverse (23121023211), we get a palindrome (34353035343).

The spelling of 11232012132 in words is "eleven billion, two hundred thirty-two million, twelve thousand, one hundred thirty-two".