12012322303 has 4 divisors (see below), whose sum is σ = 12033434160. Its totient is φ = 11991210448.

The previous prime is 12012322279. The next prime is 12012322351. The reversal of 12012322303 is 30322321021.

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

It is a cyclic number.

It is not a de Polignac number, because 12012322303 - 2⁹ = 12012321791 is a prime.

It is a super-2 number, since 2×12012322303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012322103) 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, 10555075 + ... + 10556212.

It is an arithmetic number, because the mean of its divisors is an integer number (3008358540).

Almost surely, 2^12012322303 is an apocalyptic number.

12012322303 is a deficient number, since it is larger than the sum of its proper divisors (21111857).

12012322303 is an equidigital number, since it uses as much as digits as its factorization.

12012322303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21111856.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12012322303 its reverse (30322321021), we get a palindrome (42334643324).

The spelling of 12012322303 in words is "twelve billion, twelve million, three hundred twenty-two thousand, three hundred three".