12232002132 has 240 divisors, whose sum is σ = 37504672128. Its totient is φ = 3404332800.

The previous prime is 12232002131. The next prime is 12232002137. The reversal of 12232002132 is 23120023221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232002131) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15347158 + ... + 15347954.

Almost surely, 2^12232002132 is an apocalyptic number.

12232002132 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 12232002132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18752336064).

12232002132 is an abundant number, since it is smaller than the sum of its proper divisors (25272669996).

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

12232002132 is a wasteful number, since it uses less digits than its factorization.

12232002132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12232002132 its reverse (23120023221), we get a palindrome (35352025353).

The spelling of 12232002132 in words is "twelve billion, two hundred thirty-two million, two thousand, one hundred thirty-two".