12040130312 has 32 divisors (see below), whose sum is σ = 25804293120. Its totient is φ = 5159253120.

The previous prime is 12040130309. The next prime is 12040130351. The reversal of 12040130312 is 21303104021.

12040130312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 473753 + ... + 498519.

It is an arithmetic number, because the mean of its divisors is an integer number (806384160).

Almost surely, 2^12040130312 is an apocalyptic number.

It is an amenable number.

12040130312 is an abundant number, since it is smaller than the sum of its proper divisors (13764162808).

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

12040130312 is a wasteful number, since it uses less digits than its factorization.

12040130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33461 (or 33457 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12040130312 its reverse (21303104021), we get a palindrome (33343234333).

The spelling of 12040130312 in words is "twelve billion, forty million, one hundred thirty thousand, three hundred twelve".