12143144201 has 4 divisors (see below), whose sum is σ = 12174360900. Its totient is φ = 12111927504.

The previous prime is 12143144197. The next prime is 12143144231. The reversal of 12143144201 is 10244134121.

12143144201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1682968576 + 10460175625 = 41024^2 + 102275^2 .

It is a cyclic number.

It is not a de Polignac number, because 12143144201 - 2² = 12143144197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12143144231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15607766 + ... + 15608543.

It is an arithmetic number, because the mean of its divisors is an integer number (3043590225).

Almost surely, 2^12143144201 is an apocalyptic number.

It is an amenable number.

12143144201 is a deficient number, since it is larger than the sum of its proper divisors (31216699).

12143144201 is an equidigital number, since it uses as much as digits as its factorization.

12143144201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31216698.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12143144201 its reverse (10244134121), we get a palindrome (22387278322).

The spelling of 12143144201 in words is "twelve billion, one hundred forty-three million, one hundred forty-four thousand, two hundred one".