12132012032 has 104 divisors (see below), whose sum is σ = 28934019456. Its totient is φ = 4973101056.

The previous prime is 12132012019. The next prime is 12132012041. The reversal of 12132012032 is 23021023121.

It is a self number, because there is not a number n which added to its sum of digits gives 12132012032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650258 + ... + 668654.

Almost surely, 2^12132012032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12132012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14467009728).

12132012032 is an abundant number, since it is smaller than the sum of its proper divisors (16802007424).

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

12132012032 is an equidigital number, since it uses as much as digits as its factorization.

12132012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18451 (or 18429 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12132012032 its reverse (23021023121), we get a palindrome (35153035153).

The spelling of 12132012032 in words is "twelve billion, one hundred thirty-two million, twelve thousand, thirty-two".