13120001200123 has 8 divisors (see below), whose sum is σ = 13802455969200. Its totient is φ = 12452882493408.

The previous prime is 13120001200099. The next prime is 13120001200153. The reversal of 13120001200123 is 32100210002131.

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

It is not a de Polignac number, because 13120001200123 - 2²¹ = 13119999102971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13120001200097 and 13120001200106.

It is not an unprimeable number, because it can be changed into a prime (13120001200153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834013836 + ... + 3834017257.

It is an arithmetic number, because the mean of its divisors is an integer number (1725306996150).

Almost surely, 2^{13120001200123} is an apocalyptic number.

13120001200123 is a deficient number, since it is larger than the sum of its proper divisors (682454769077).

13120001200123 is an equidigital number, since it uses as much as digits as its factorization.

13120001200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668031181.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13120001200123 its reverse (32100210002131), we get a palindrome (45220211202254).

The spelling of 13120001200123 in words is "thirteen trillion, one hundred twenty billion, one million, two hundred thousand, one hundred twenty-three".