12044142203 has 4 divisors (see below), whose sum is σ = 12053260968. Its totient is φ = 12035023440.

The previous prime is 12044142179. The next prime is 12044142217. The reversal of 12044142203 is 30224144021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30224144021 = 571 ⋅52931951.

It is a cyclic number.

It is not a de Polignac number, because 12044142203 - 2²⁶ = 11977033339 is a prime.

It is a super-2 number, since 2×12044142203² (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 (12044142293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4557401 + ... + 4560042.

It is an arithmetic number, because the mean of its divisors is an integer number (3013315242).

Almost surely, 2^12044142203 is an apocalyptic number.

12044142203 is a deficient number, since it is larger than the sum of its proper divisors (9118765).

12044142203 is an equidigital number, since it uses as much as digits as its factorization.

12044142203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9118764.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12044142203 its reverse (30224144021), we get a palindrome (42268286224).

The spelling of 12044142203 in words is "twelve billion, forty-four million, one hundred forty-two thousand, two hundred three".