12013142203 has 4 divisors (see below), whose sum is σ = 12337821760. Its totient is φ = 11688462648.

The previous prime is 12013142159. The next prime is 12013142221. The reversal of 12013142203 is 30224131021.

It is a happy number.

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 12013142203 - 2²⁵ = 11979587771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013142263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162339723 + ... + 162339796.

It is an arithmetic number, because the mean of its divisors is an integer number (3084455440).

Almost surely, 2^12013142203 is an apocalyptic number.

12013142203 is a deficient number, since it is larger than the sum of its proper divisors (324679557).

12013142203 is an equidigital number, since it uses as much as digits as its factorization.

12013142203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324679556.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12013142203 its reverse (30224131021), we get a palindrome (42237273224).

The spelling of 12013142203 in words is "twelve billion, thirteen million, one hundred forty-two thousand, two hundred three".