12120311110003 has 8 divisors (see below), whose sum is σ = 13391238873888. Its totient is φ = 10911379822464.

The previous prime is 12120311109937. The next prime is 12120311110043. The reversal of 12120311110003 is 30001111302121.

It is a happy number.

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

It is not a de Polignac number, because 12120311110003 - 2⁴¹ = 9921287854451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120311110043) 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, 15499118676 + ... + 15499119457.

It is an arithmetic number, because the mean of its divisors is an integer number (1673904859236).

Almost surely, 2^{12120311110003} is an apocalyptic number.

12120311110003 is a deficient number, since it is larger than the sum of its proper divisors (1270927763885).

12120311110003 is a wasteful number, since it uses less digits than its factorization.

12120311110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30998238173.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12120311110003 its reverse (30001111302121), we get a palindrome (42121422412124).

The spelling of 12120311110003 in words is "twelve trillion, one hundred twenty billion, three hundred eleven million, one hundred ten thousand, three".