12004006958123 has 4 divisors (see below), whose sum is σ = 12004128753120. Its totient is φ = 12003885163128.

The previous prime is 12004006958107. The next prime is 12004006958173. The reversal of 12004006958123 is 32185960040021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12004006958123 - 2⁴ = 12004006958107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12004006958173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60749540 + ... + 60946817.

It is an arithmetic number, because the mean of its divisors is an integer number (3001032188280).

Almost surely, 2^{12004006958123} is an apocalyptic number.

12004006958123 is a deficient number, since it is larger than the sum of its proper divisors (121794997).

12004006958123 is an equidigital number, since it uses as much as digits as its factorization.

12004006958123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121794996.

The product of its (nonzero) digits is 103680, while the sum is 41.

Adding to 12004006958123 its reverse (32185960040021), we get a palindrome (44189966998144).

The spelling of 12004006958123 in words is "twelve trillion, four billion, six million, nine hundred fifty-eight thousand, one hundred twenty-three".