12041671889 has 4 divisors (see below), whose sum is σ = 12967954356. Its totient is φ = 11115389424.

The previous prime is 12041671871. The next prime is 12041671891. The reversal of 12041671889 is 98817614021.

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 3053115025 + 8988556864 = 55255^2 + 94808^2 .

It is a cyclic number.

It is not a de Polignac number, because 12041671889 - 2¹² = 12041667793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12041671849) 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, 463141214 + ... + 463141239.

It is an arithmetic number, because the mean of its divisors is an integer number (3241988589).

Almost surely, 2^12041671889 is an apocalyptic number.

It is an amenable number.

12041671889 is a deficient number, since it is larger than the sum of its proper divisors (926282467).

12041671889 is an equidigital number, since it uses as much as digits as its factorization.

12041671889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926282466.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 12041671889 in words is "twelve billion, forty-one million, six hundred seventy-one thousand, eight hundred eighty-nine".