12232122432 has 28 divisors (see below), whose sum is σ = 32364157776. Its totient is φ = 4077374080.

The previous prime is 12232122403. The next prime is 12232122467. The reversal of 12232122432 is 23422123221.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31854294 + ... + 31854677.

Almost surely, 2^12232122432 is an apocalyptic number.

12232122432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12232122432 is an abundant number, since it is smaller than the sum of its proper divisors (20132035344).

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

12232122432 is an equidigital number, since it uses as much as digits as its factorization.

12232122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63708986 (or 63708976 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

Adding to 12232122432 its reverse (23422123221), we get a palindrome (35654245653).

The spelling of 12232122432 in words is "twelve billion, two hundred thirty-two million, one hundred twenty-two thousand, four hundred thirty-two".