12143244303 has 8 divisors (see below), whose sum is σ = 17989991600. Its totient is φ = 8095496184.

The previous prime is 12143244263. The next prime is 12143244353. The reversal of 12143244303 is 30344234121.

12143244303 is a `hidden beast` number, since 1 + 214 + 3 + 2 + 443 + 0 + 3 = 666.

It is not a de Polignac number, because 12143244303 - 2¹³ = 12143236111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 449749789 = 12143244303 / (1 + 2 + 1 + 4 + 3 + 2 + 4 + 4 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143244353) 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, 224874868 + ... + 224874921.

It is an arithmetic number, because the mean of its divisors is an integer number (2248748950).

Almost surely, 2^12143244303 is an apocalyptic number.

12143244303 is a deficient number, since it is larger than the sum of its proper divisors (5846747297).

12143244303 is an equidigital number, since it uses as much as digits as its factorization.

12143244303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449749798 (or 449749792 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12143244303 its reverse (30344234121), we get a palindrome (42487478424).

The spelling of 12143244303 in words is "twelve billion, one hundred forty-three million, two hundred forty-four thousand, three hundred three".