12001113220203 has 12 divisors (see below), whose sum is σ = 17335485437400. Its totient is φ = 8000491014816.

The previous prime is 12001113220183. The next prime is 12001113220223. The reversal of 12001113220203 is 30202231110021.

12001113220203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12001113220183) and next prime (12001113220223).

It is not a de Polignac number, because 12001113220203 - 2¹⁷ = 12001113089131 is a prime.

It is a super-2 number, since 2×12001113220203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12001113220223) 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, 20624778 + ... + 21198671.

It is an arithmetic number, because the mean of its divisors is an integer number (1444623786450).

Almost surely, 2^{12001113220203} is an apocalyptic number.

12001113220203 is a deficient number, since it is larger than the sum of its proper divisors (5334372217197).

12001113220203 is a wasteful number, since it uses less digits than its factorization.

12001113220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41855338 (or 41855335 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12001113220203 its reverse (30202231110021), we get a palindrome (42203344330224).

The spelling of 12001113220203 in words is "twelve trillion, one billion, one hundred thirteen million, two hundred twenty thousand, two hundred three".