12213120203 has 4 divisors (see below), whose sum is σ = 12213690720. Its totient is φ = 12212549688.

The previous prime is 12213120197. The next prime is 12213120289. The reversal of 12213120203 is 30202131221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30202131221 = 89 ⋅339349789.

It is a cyclic number.

It is not a de Polignac number, because 12213120203 - 2¹⁰ = 12213119179 is a prime.

It is a super-2 number, since 2×12213120203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213125203) 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, 251843 + ... + 296396.

It is an arithmetic number, because the mean of its divisors is an integer number (3053422680).

Almost surely, 2^12213120203 is an apocalyptic number.

12213120203 is a deficient number, since it is larger than the sum of its proper divisors (570517).

12213120203 is an equidigital number, since it uses as much as digits as its factorization.

12213120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570516.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12213120203 its reverse (30202131221), we get a palindrome (42415251424).

The spelling of 12213120203 in words is "twelve billion, two hundred thirteen million, one hundred twenty thousand, two hundred three".