12012323203 has 8 divisors (see below), whose sum is σ = 12645558800. Its totient is φ = 11379188448.

The previous prime is 12012323173. The next prime is 12012323249. The reversal of 12012323203 is 30232321021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012323203 - 2⁹ = 12012322691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012323263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433225 + ... + 460117.

It is an arithmetic number, because the mean of its divisors is an integer number (1580694850).

Almost surely, 2^12012323203 is an apocalyptic number.

12012323203 is a deficient number, since it is larger than the sum of its proper divisors (633235597).

12012323203 is a wasteful number, since it uses less digits than its factorization.

12012323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50421.

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

Adding to 12012323203 its reverse (30232321021), we get a palindrome (42244644224).

The spelling of 12012323203 in words is "twelve billion, twelve million, three hundred twenty-three thousand, two hundred three".