11232223312 has 60 divisors (see below), whose sum is σ = 23003292576. Its totient is φ = 5312381760.

The previous prime is 11232223291. The next prime is 11232223319. The reversal of 11232223312 is 21332223211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232223319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5584387 + ... + 5586397.

Almost surely, 2^11232223312 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 11232223312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11501646288).

11232223312 is an abundant number, since it is smaller than the sum of its proper divisors (11771069264).

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

11232223312 is a wasteful number, since it uses less digits than its factorization.

11232223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024 (or 2999 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 11232223312 its reverse (21332223211), we get a palindrome (32564446523).

The spelling of 11232223312 in words is "eleven billion, two hundred thirty-two million, two hundred twenty-three thousand, three hundred twelve".