12013332132 has 96 divisors (see below), whose sum is σ = 30373056000. Its totient is φ = 3681513472.

The previous prime is 12013332127. The next prime is 12013332137. The reversal of 12013332132 is 23123331021.

It is an interprime number because it is at equal distance from previous prime (12013332127) and next prime (12013332137).

It is a junction number, because it is equal to n+sod(n) for n = 12013332099 and 12013332108.

It is not an unprimeable number, because it can be changed into a prime (12013332137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2581744 + ... + 2586392.

It is an arithmetic number, because the mean of its divisors is an integer number (316386000).

Almost surely, 2^12013332132 is an apocalyptic number.

12013332132 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 12013332132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15186528000).

12013332132 is an abundant number, since it is smaller than the sum of its proper divisors (18359723868).

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

12013332132 is a wasteful number, since it uses less digits than its factorization.

12013332132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965 (or 4963 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12013332132 its reverse (23123331021), we get a palindrome (35136663153).

It can be divided in two parts, 1201 and 3332132, that added together give a palindrome (3333333).

The spelling of 12013332132 in words is "twelve billion, thirteen million, three hundred thirty-two thousand, one hundred thirty-two".