12012040132 has 48 divisors (see below), whose sum is σ = 22412360880. Its totient is φ = 5613576192.

The previous prime is 12012040129. The next prime is 12012040163. The reversal of 12012040132 is 23104021021.

It can be written as a sum of positive squares in 8 ways, for example, as 3583698496 + 8428341636 = 59864^2 + 91806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6713494 + ... + 6715282.

It is an arithmetic number, because the mean of its divisors is an integer number (466924185).

Almost surely, 2^12012040132 is an apocalyptic number.

It is an amenable number.

12012040132 is a deficient number, since it is larger than the sum of its proper divisors (10400320748).

12012040132 is a wasteful number, since it uses less digits than its factorization.

12012040132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12012040132 its reverse (23104021021), we get a palindrome (35116061153).

The spelling of 12012040132 in words is "twelve billion, twelve million, forty thousand, one hundred thirty-two".