11233121232 has 80 divisors (see below), whose sum is σ = 30399840000. Its totient is φ = 3569459712.

The previous prime is 11233121209. The next prime is 11233121279. The reversal of 11233121232 is 23212133211.

It is a super-2 number, since 2×11233121232² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11233121199 and 11233121208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58894 + ... + 161042.

It is an arithmetic number, because the mean of its divisors is an integer number (379998000).

Almost surely, 2^11233121232 is an apocalyptic number.

11233121232 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 11233121232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15199920000).

11233121232 is an abundant number, since it is smaller than the sum of its proper divisors (19166718768).

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

11233121232 is a wasteful number, since it uses less digits than its factorization.

11233121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102268 (or 102262 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 11233121232 its reverse (23212133211), we get a palindrome (34445254443).

The spelling of 11233121232 in words is "eleven billion, two hundred thirty-three million, one hundred twenty-one thousand, two hundred thirty-two".