12013534232 has 48 divisors (see below), whose sum is σ = 26363883960. Its totient is φ = 5117043456.

The previous prime is 12013534199. The next prime is 12013534261. The reversal of 12013534232 is 23243531021.

It is a happy number.

12013534232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30113 + ... + 157904.

Almost surely, 2^12013534232 is an apocalyptic number.

It is an amenable number.

12013534232 is an abundant number, since it is smaller than the sum of its proper divisors (14350349728).

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

12013534232 is a wasteful number, since it uses less digits than its factorization.

12013534232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188200 (or 188189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 12013534232 in words is "twelve billion, thirteen million, five hundred thirty-four thousand, two hundred thirty-two".