12043471541 has 4 divisors (see below), whose sum is σ = 12043717932. Its totient is φ = 12043225152.

The previous prime is 12043471513. The next prime is 12043471603. The reversal of 12043471541 is 14517434021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11380409041 + 663062500 = 106679^2 + 25750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12043471541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12043471498 and 12043471507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043471501) 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 3 ways as a sum of consecutive naturals, for example, 22370 + ... + 156803.

It is an arithmetic number, because the mean of its divisors is an integer number (3010929483).

Almost surely, 2^12043471541 is an apocalyptic number.

It is an amenable number.

12043471541 is a deficient number, since it is larger than the sum of its proper divisors (246391).

12043471541 is an equidigital number, since it uses as much as digits as its factorization.

12043471541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246390.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 12043471541 in words is "twelve billion, forty-three million, four hundred seventy-one thousand, five hundred forty-one".