12002123203123 has 8 divisors (see below), whose sum is σ = 12112555791600. Its totient is φ = 11891696457888.

The previous prime is 12002123203093. The next prime is 12002123203139. The reversal of 12002123203123 is 32130232120021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002123203123 is a prime.

It is a super-2 number, since 2×12002123203123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002123203094 and 12002123203103.

It is not an unprimeable number, because it can be changed into a prime (12002123203163) 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, 2720940 + ... + 5604262.

It is an arithmetic number, because the mean of its divisors is an integer number (1514069473950).

Almost surely, 2^{12002123203123} is an apocalyptic number.

12002123203123 is a deficient number, since it is larger than the sum of its proper divisors (110432588477).

12002123203123 is a wasteful number, since it uses less digits than its factorization.

12002123203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921621.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12002123203123 its reverse (32130232120021), we get a palindrome (44132355323144).

The spelling of 12002123203123 in words is "twelve trillion, two billion, one hundred twenty-three million, two hundred three thousand, one hundred twenty-three".