12013440030242 has 16 divisors (see below), whose sum is σ = 20594649358080. Its totient is φ = 5148571972128.

The previous prime is 12013440030211. The next prime is 12013440030247. The reversal of 12013440030242 is 24203004431021.

It is not an unprimeable number, because it can be changed into a prime (12013440030247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087267 + ... + 5327622.

It is an arithmetic number, because the mean of its divisors is an integer number (1287165584880).

Almost surely, 2^{12013440030242} is an apocalyptic number.

12013440030242 is a deficient number, since it is larger than the sum of its proper divisors (8581209327838).

12013440030242 is a wasteful number, since it uses less digits than its factorization.

12013440030242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530625.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12013440030242 its reverse (24203004431021), we get a palindrome (36216444461263).

The spelling of 12013440030242 in words is "twelve trillion, thirteen billion, four hundred forty million, thirty thousand, two hundred forty-two".