12005045342 has 8 divisors (see below), whose sum is σ = 18302774232. Its totient is φ = 5904120600.

The previous prime is 12005045323. The next prime is 12005045389. The reversal of 12005045342 is 24354050021.

It is a happy number.

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

It is a super-2 number, since 2×12005045342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49200884 + ... + 49201127.

It is an arithmetic number, because the mean of its divisors is an integer number (2287846779).

Almost surely, 2^12005045342 is an apocalyptic number.

12005045342 is a deficient number, since it is larger than the sum of its proper divisors (6297728890).

12005045342 is an equidigital number, since it uses as much as digits as its factorization.

12005045342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98402074.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 12005045342 its reverse (24354050021), we get a palindrome (36359095363).

The spelling of 12005045342 in words is "twelve billion, five million, forty-five thousand, three hundred forty-two".