1324212143 has 4 divisors (see below), whose sum is σ = 1381786608. Its totient is φ = 1266637680.

The previous prime is 1324212121. The next prime is 1324212173. The reversal of 1324212143 is 3412124231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412124231 = 461 ⋅7401571.

It is a cyclic number.

It is not a de Polignac number, because 1324212143 - 2¹⁸ = 1323949999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 57574441 = 1324212143 / (1 + 3 + 2 + 4 + 2 + 1 + 2 + 1 + 4 + 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 (1324212173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28787198 + ... + 28787243.

It is an arithmetic number, because the mean of its divisors is an integer number (345446652).

Almost surely, 2^1324212143 is an apocalyptic number.

1324212143 is a deficient number, since it is larger than the sum of its proper divisors (57574465).

1324212143 is an equidigital number, since it uses as much as digits as its factorization.

1324212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57574464.

The product of its digits is 1152, while the sum is 23.

The square root of 1324212143 is about 36389.7257890191. The cubic root of 1324212143 is about 1098.1268791328.

Adding to 1324212143 its reverse (3412124231), we get a palindrome (4736336374).

The spelling of 1324212143 in words is "one billion, three hundred twenty-four million, two hundred twelve thousand, one hundred forty-three".