12040311332 has 24 divisors (see below), whose sum is σ = 24132884160. Its totient is φ = 5148934560.

The previous prime is 12040311299. The next prime is 12040311347. The reversal of 12040311332 is 23311304021.

It is a super-2 number, since 2×12040311332² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453482 + ... + 479297.

It is an arithmetic number, because the mean of its divisors is an integer number (1005536840).

Almost surely, 2^12040311332 is an apocalyptic number.

It is an amenable number.

12040311332 is an abundant number, since it is smaller than the sum of its proper divisors (12092572828).

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

12040311332 is a wasteful number, since it uses less digits than its factorization.

12040311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933251 (or 933249 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12040311332 its reverse (23311304021), we get a palindrome (35351615353).

The spelling of 12040311332 in words is "twelve billion, forty million, three hundred eleven thousand, three hundred thirty-two".