12231303032 has 64 divisors (see below), whose sum is σ = 25868808000. Its totient is φ = 5379416064.

The previous prime is 12231303031. The next prime is 12231303061. The reversal of 12231303032 is 23030313221.

It is a super-2 number, since 2×12231303032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12231302995 and 12231303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231303031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633944 + ... + 652952.

It is an arithmetic number, because the mean of its divisors is an integer number (404200125).

Almost surely, 2^12231303032 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 12231303032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12934404000).

12231303032 is an abundant number, since it is smaller than the sum of its proper divisors (13637504968).

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

12231303032 is a wasteful number, since it uses less digits than its factorization.

12231303032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19320 (or 19316 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12231303032 its reverse (23030313221), we get a palindrome (35261616253).

The spelling of 12231303032 in words is "twelve billion, two hundred thirty-one million, three hundred three thousand, thirty-two".