12011002000203 has 4 divisors (see below), whose sum is σ = 16014669333608. Its totient is φ = 8007334666800.

The previous prime is 12011002000199. The next prime is 12011002000253. The reversal of 12011002000203 is 30200020011021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12011002000203 - 2² = 12011002000199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011002000253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001833666698 + ... + 2001833666703.

It is an arithmetic number, because the mean of its divisors is an integer number (4003667333402).

Almost surely, 2^{12011002000203} is an apocalyptic number.

12011002000203 is a deficient number, since it is larger than the sum of its proper divisors (4003667333405).

12011002000203 is an equidigital number, since it uses as much as digits as its factorization.

12011002000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003667333404.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12011002000203 its reverse (30200020011021), we get a palindrome (42211022011224).

The spelling of 12011002000203 in words is "twelve trillion, eleven billion, two million, two hundred three", and thus it is an aban number.