12125433543 has 8 divisors (see below), whose sum is σ = 16218246768. Its totient is φ = 8058121344.

The previous prime is 12125433479. The next prime is 12125433559. The reversal of 12125433543 is 34533452121.

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

It is not a de Polignac number, because 12125433543 - 2⁶ = 12125433479 is a prime.

It is a super-2 number, since 2×12125433543² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125433643) 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, 6374146 + ... + 6376047.

It is an arithmetic number, because the mean of its divisors is an integer number (2027280846).

Almost surely, 2^12125433543 is an apocalyptic number.

12125433543 is a deficient number, since it is larger than the sum of its proper divisors (4092813225).

12125433543 is a wasteful number, since it uses less digits than its factorization.

12125433543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750513.

The product of its digits is 43200, while the sum is 33.

Adding to 12125433543 its reverse (34533452121), we get a palindrome (46658885664).

The spelling of 12125433543 in words is "twelve billion, one hundred twenty-five million, four hundred thirty-three thousand, five hundred forty-three".