12040111331 has 8 divisors (see below), whose sum is σ = 12755511360. Its totient is φ = 11325506688.

The previous prime is 12040111249. The next prime is 12040111351. The reversal of 12040111331 is 13311104021.

12040111331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12040111331 is a prime.

It is a super-2 number, since 2×12040111331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12040111351) by changing a digit.

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, 167531 + ... + 228356.

It is an arithmetic number, because the mean of its divisors is an integer number (1594438920).

Almost surely, 2^12040111331 is an apocalyptic number.

12040111331 is a deficient number, since it is larger than the sum of its proper divisors (715400029).

12040111331 is a wasteful number, since it uses less digits than its factorization.

12040111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397693.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12040111331 its reverse (13311104021), we get a palindrome (25351215352).

The spelling of 12040111331 in words is "twelve billion, forty million, one hundred eleven thousand, three hundred thirty-one".