12111001342 has 32 divisors (see below), whose sum is σ = 20290533120. Its totient is φ = 5373889920.

The previous prime is 12111001333. The next prime is 12111001351. The reversal of 12111001342 is 24310011121.

It is an interprime number because it is at equal distance from previous prime (12111001333) and next prime (12111001351).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2677759 + ... + 2682277.

It is an arithmetic number, because the mean of its divisors is an integer number (634079160).

Almost surely, 2^12111001342 is an apocalyptic number.

12111001342 is a deficient number, since it is larger than the sum of its proper divisors (8179531778).

12111001342 is a wasteful number, since it uses less digits than its factorization.

12111001342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12111001342 its reverse (24310011121), we get a palindrome (36421012463).

The spelling of 12111001342 in words is "twelve billion, one hundred eleven million, one thousand, three hundred forty-two".