12111220200203 has 32 divisors (see below), whose sum is σ = 12955622400000. Its totient is φ = 11282033258496.

The previous prime is 12111220200193. The next prime is 12111220200251. The reversal of 12111220200203 is 30200202211121.

It is a cyclic number.

It is not a de Polignac number, because 12111220200203 - 2⁴ = 12111220200187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111220200503) 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 31 ways as a sum of consecutive naturals, for example, 1366487750 + ... + 1366496612.

It is an arithmetic number, because the mean of its divisors is an integer number (404863200000).

Almost surely, 2^{12111220200203} is an apocalyptic number.

12111220200203 is a deficient number, since it is larger than the sum of its proper divisors (844402199797).

12111220200203 is a wasteful number, since it uses less digits than its factorization.

12111220200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10731.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12111220200203 its reverse (30200202211121), we get a palindrome (42311422411324).

The spelling of 12111220200203 in words is "twelve trillion, one hundred eleven billion, two hundred twenty million, two hundred thousand, two hundred three".