12141067643 has 4 divisors (see below), whose sum is σ = 12141507840. Its totient is φ = 12140627448.

The previous prime is 12141067639. The next prime is 12141067649. The reversal of 12141067643 is 34676014121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34676014121 = 7 ⋅4953716303.

It is a cyclic number.

It is not a de Polignac number, because 12141067643 - 2² = 12141067639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12141067649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175748 + ... + 234881.

It is an arithmetic number, because the mean of its divisors is an integer number (3035376960).

Almost surely, 2^12141067643 is an apocalyptic number.

12141067643 is a deficient number, since it is larger than the sum of its proper divisors (440197).

12141067643 is an equidigital number, since it uses as much as digits as its factorization.

12141067643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440196.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 12141067643 in words is "twelve billion, one hundred forty-one million, sixty-seven thousand, six hundred forty-three".