12311111202003 has 12 divisors (see below), whose sum is σ = 17795125631400. Its totient is φ = 8201680029216.

The previous prime is 12311111202001. The next prime is 12311111202023. The reversal of 12311111202003 is 30020211111321.

12311111202003 is a `hidden beast` number, since 1 + 231 + 111 + 120 + 200 + 3 = 666.

It is not a de Polignac number, because 12311111202003 - 2¹ = 12311111202001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12311111202001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477272953 + ... + 477298746.

It is an arithmetic number, because the mean of its divisors is an integer number (1482927135950).

Almost surely, 2^{12311111202003} is an apocalyptic number.

12311111202003 is a deficient number, since it is larger than the sum of its proper divisors (5484014429397).

12311111202003 is a wasteful number, since it uses less digits than its factorization.

12311111202003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954573138 (or 954573135 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12311111202003 its reverse (30020211111321), we get a palindrome (42331322313324).

The spelling of 12311111202003 in words is "twelve trillion, three hundred eleven billion, one hundred eleven million, two hundred two thousand, three".