12231201543 has 8 divisors (see below), whose sum is σ = 17790838656. Its totient is φ = 7412849400.

The previous prime is 12231201529. The next prime is 12231201643. The reversal of 12231201543 is 34510213221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12231201543 - 2⁴ = 12231201527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231201503) 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, 185321203 + ... + 185321268.

It is an arithmetic number, because the mean of its divisors is an integer number (2223854832).

Almost surely, 2^12231201543 is an apocalyptic number.

12231201543 is a deficient number, since it is larger than the sum of its proper divisors (5559637113).

12231201543 is a wasteful number, since it uses less digits than its factorization.

12231201543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370642485.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12231201543 its reverse (34510213221), we get a palindrome (46741414764).

The spelling of 12231201543 in words is "twelve billion, two hundred thirty-one million, two hundred one thousand, five hundred forty-three".