12102440342 has 32 divisors (see below), whose sum is σ = 18686191104. Its totient is φ = 5876928000.

The previous prime is 12102440323. The next prime is 12102440351. The reversal of 12102440342 is 24304420121.

12102440342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2814338 + ... + 2818634.

It is an arithmetic number, because the mean of its divisors is an integer number (583943472).

Almost surely, 2^12102440342 is an apocalyptic number.

12102440342 is a deficient number, since it is larger than the sum of its proper divisors (6583750762).

12102440342 is a wasteful number, since it uses less digits than its factorization.

12102440342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12102440342 its reverse (24304420121), we get a palindrome (36406860463).

The spelling of 12102440342 in words is "twelve billion, one hundred two million, four hundred forty thousand, three hundred forty-two".