12230322132 has 96 divisors (see below), whose sum is σ = 33080140800. Its totient is φ = 3444779520.

The previous prime is 12230322031. The next prime is 12230322191. The reversal of 12230322132 is 23122303221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12230322099 and 12230322108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1893244 + ... + 1899692.

It is an arithmetic number, because the mean of its divisors is an integer number (344584800).

Almost surely, 2^12230322132 is an apocalyptic number.

12230322132 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 12230322132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16540070400).

12230322132 is an abundant number, since it is smaller than the sum of its proper divisors (20849818668).

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

12230322132 is a wasteful number, since it uses less digits than its factorization.

12230322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781 (or 6779 counting only the distinct ones).

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

Adding to 12230322132 its reverse (23122303221), we get a palindrome (35352625353).

The spelling of 12230322132 in words is "twelve billion, two hundred thirty million, three hundred twenty-two thousand, one hundred thirty-two".