12320232132 has 48 divisors (see below), whose sum is σ = 31057564160. Its totient is φ = 3778714368.

The previous prime is 12320232131. The next prime is 12320232137. The reversal of 12320232132 is 23123202321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12320232099 and 12320232108.

It is not an unprimeable number, because it can be changed into a prime (12320232131) 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, 77332 + ... + 174987.

Almost surely, 2^12320232132 is an apocalyptic number.

12320232132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12320232132 is an abundant number, since it is smaller than the sum of its proper divisors (18737332028).

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

12320232132 is a wasteful number, since it uses less digits than its factorization.

12320232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252652 (or 252650 counting only the distinct ones).

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

Adding to 12320232132 its reverse (23123202321), we get a palindrome (35443434453).

The spelling of 12320232132 in words is "twelve billion, three hundred twenty million, two hundred thirty-two thousand, one hundred thirty-two".