12012212203 has 4 divisors (see below), whose sum is σ = 12215809080. Its totient is φ = 11808615328.

The previous prime is 12012212141. The next prime is 12012212209. The reversal of 12012212203 is 30221221021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30221221021 = 251 ⋅120403271.

It is a cyclic number.

It is not a de Polignac number, because 12012212203 - 2¹³ = 12012204011 is a prime.

It is a super-3 number, since 3×12012212203³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012212209) 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, 101798350 + ... + 101798467.

It is an arithmetic number, because the mean of its divisors is an integer number (3053952270).

Almost surely, 2^12012212203 is an apocalyptic number.

12012212203 is a deficient number, since it is larger than the sum of its proper divisors (203596877).

12012212203 is an equidigital number, since it uses as much as digits as its factorization.

12012212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203596876.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12012212203 its reverse (30221221021), we get a palindrome (42233433224).

The spelling of 12012212203 in words is "twelve billion, twelve million, two hundred twelve thousand, two hundred three".