12001131132 has 48 divisors (see below), whose sum is σ = 28978672800. Its totient is φ = 3861043200.

The previous prime is 12001131127. The next prime is 12001131167. The reversal of 12001131132 is 23113110021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 1457844 + ... + 1466052.

It is an arithmetic number, because the mean of its divisors is an integer number (603722350).

Almost surely, 2^12001131132 is an apocalyptic number.

12001131132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12001131132 is an abundant number, since it is smaller than the sum of its proper divisors (16977541668).

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

12001131132 is a wasteful number, since it uses less digits than its factorization.

12001131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12446 (or 12444 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12001131132 its reverse (23113110021), we get a palindrome (35114241153).

The spelling of 12001131132 in words is "twelve billion, one million, one hundred thirty-one thousand, one hundred thirty-two".