12131302442 has 32 divisors (see below), whose sum is σ = 22033772928. Its totient is φ = 4890203136.

The previous prime is 12131302439. The next prime is 12131302501. The reversal of 12131302442 is 24420313121.

12131302442 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 15 ways as a sum of consecutive naturals, for example, 381458 + ... + 412034.

It is an arithmetic number, because the mean of its divisors is an integer number (688555404).

Almost surely, 2^12131302442 is an apocalyptic number.

12131302442 is a deficient number, since it is larger than the sum of its proper divisors (9902470486).

12131302442 is a wasteful number, since it uses less digits than its factorization.

12131302442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32270.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12131302442 its reverse (24420313121), we get a palindrome (36551615563).

The spelling of 12131302442 in words is "twelve billion, one hundred thirty-one million, three hundred two thousand, four hundred forty-two".