12001200313123 has 8 divisors (see below), whose sum is σ = 13738478899040. Its totient is φ = 10269627076800.

The previous prime is 12001200313087. The next prime is 12001200313159. The reversal of 12001200313123 is 32131300210021.

It is an interprime number because it is at equal distance from previous prime (12001200313087) and next prime (12001200313159).

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

It is a de Polignac number, because none of the positive numbers 2^k-12001200313123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001200313123.

It is not an unprimeable number, because it can be changed into a prime (12001200319123) 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, 1426332888 + ... + 1426341301.

It is an arithmetic number, because the mean of its divisors is an integer number (1717309862380).

Almost surely, 2^{12001200313123} is an apocalyptic number.

12001200313123 is a deficient number, since it is larger than the sum of its proper divisors (1737278585917).

12001200313123 is an equidigital number, since it uses as much as digits as its factorization.

12001200313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852674797.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12001200313123 its reverse (32131300210021), we get a palindrome (44132500523144).

The spelling of 12001200313123 in words is "twelve trillion, one billion, two hundred million, three hundred thirteen thousand, one hundred twenty-three".