12067635841 has 4 divisors (see below), whose sum is σ = 12070598400. Its totient is φ = 12064673284.

The previous prime is 12067635809. The next prime is 12067635847. The reversal of 12067635841 is 14853676021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14853676021 = 41 ⋅362284781.

It is a cyclic number.

It is not a de Polignac number, because 12067635841 - 2⁵ = 12067635809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12067635847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475161 + ... + 1483318.

It is an arithmetic number, because the mean of its divisors is an integer number (3017649600).

Almost surely, 2^12067635841 is an apocalyptic number.

It is an amenable number.

12067635841 is a deficient number, since it is larger than the sum of its proper divisors (2962559).

12067635841 is an equidigital number, since it uses as much as digits as its factorization.

12067635841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962558.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12067635841 in words is "twelve billion, sixty-seven million, six hundred thirty-five thousand, eight hundred forty-one".