12231223032 has 64 divisors (see below), whose sum is σ = 35388748800. Its totient is φ = 3450395520.

The previous prime is 12231223007. The next prime is 12231223057. The reversal of 12231223032 is 23032213221.

It is a happy number.

12231223032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12231223007) and next prime (12231223057).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447519 + ... + 474062.

It is an arithmetic number, because the mean of its divisors is an integer number (552949200).

Almost surely, 2^12231223032 is an apocalyptic number.

12231223032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12231223032 is an abundant number, since it is smaller than the sum of its proper divisors (23157525768).

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

12231223032 is a wasteful number, since it uses less digits than its factorization.

12231223032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921676 (or 921672 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12231223032 its reverse (23032213221), we get a palindrome (35263436253).

The spelling of 12231223032 in words is "twelve billion, two hundred thirty-one million, two hundred twenty-three thousand, thirty-two".