12040331442 has 8 divisors (see below), whose sum is σ = 24080662896. Its totient is φ = 4013443812.

The previous prime is 12040331419. The next prime is 12040331449. The reversal of 12040331442 is 24413304021.

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

12040331442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12040331449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003360948 + ... + 1003360959.

It is an arithmetic number, because the mean of its divisors is an integer number (3010082862).

Almost surely, 2^12040331442 is an apocalyptic number.

12040331442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12040331442 is a wasteful number, since it uses less digits than its factorization.

12040331442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006721912.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12040331442 its reverse (24413304021), we get a palindrome (36453635463).

The spelling of 12040331442 in words is "twelve billion, forty million, three hundred thirty-one thousand, four hundred forty-two".