12161473143 has 8 divisors (see below), whose sum is σ = 16259482368. Its totient is φ = 8085556344.

The previous prime is 12161473091. The next prime is 12161473157. The reversal of 12161473143 is 34137416121.

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

It is not a de Polignac number, because 12161473143 - 2¹⁴ = 12161456759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12161473183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5521821 + ... + 5524022.

It is an arithmetic number, because the mean of its divisors is an integer number (2032435296).

Almost surely, 2^12161473143 is an apocalyptic number.

12161473143 is a deficient number, since it is larger than the sum of its proper divisors (4098009225).

12161473143 is a wasteful number, since it uses less digits than its factorization.

12161473143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11046213.

The product of its digits is 12096, while the sum is 33.

Adding to 12161473143 its reverse (34137416121), we get a palindrome (46298889264).

The spelling of 12161473143 in words is "twelve billion, one hundred sixty-one million, four hundred seventy-three thousand, one hundred forty-three".