12003103320311 has 4 divisors (see below), whose sum is σ = 12006664018824. Its totient is φ = 11999542621800.

The previous prime is 12003103320211. The next prime is 12003103320337. The reversal of 12003103320311 is 11302330130021.

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 12003103320311 - 2³⁴ = 11985923451127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003103320391) 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, 1780344200 + ... + 1780350941.

It is an arithmetic number, because the mean of its divisors is an integer number (3001666004706).

Almost surely, 2^{12003103320311} is an apocalyptic number.

12003103320311 is a deficient number, since it is larger than the sum of its proper divisors (3560698513).

12003103320311 is an equidigital number, since it uses as much as digits as its factorization.

12003103320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560698512.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12003103320311 its reverse (11302330130021), we get a palindrome (23305433450332).

The spelling of 12003103320311 in words is "twelve trillion, three billion, one hundred three million, three hundred twenty thousand, three hundred eleven".