12013011132 has 24 divisors (see below), whose sum is σ = 28032614400. Its totient is φ = 4004014896.

The previous prime is 12013011119. The next prime is 12013011139. The reversal of 12013011132 is 23111031021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013011139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151719 + ... + 216897.

It is an arithmetic number, because the mean of its divisors is an integer number (1168025600).

Almost surely, 2^12013011132 is an apocalyptic number.

12013011132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013011132 is an abundant number, since it is smaller than the sum of its proper divisors (16019603268).

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

12013011132 is a wasteful number, since it uses less digits than its factorization.

12013011132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80545 (or 80543 counting only the distinct ones).

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

Adding to 12013011132 its reverse (23111031021), we get a palindrome (35124042153).

The spelling of 12013011132 in words is "twelve billion, thirteen million, eleven thousand, one hundred thirty-two".