12016747443 has 4 divisors (see below), whose sum is σ = 16022329928. Its totient is φ = 8011164960.

The previous prime is 12016747423. The next prime is 12016747469. The reversal of 12016747443 is 34474761021.

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

It is not a de Polignac number, because 12016747443 - 2²⁶ = 11949638579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12016747423) 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, 2002791238 + ... + 2002791243.

It is an arithmetic number, because the mean of its divisors is an integer number (4005582482).

Almost surely, 2^12016747443 is an apocalyptic number.

12016747443 is a deficient number, since it is larger than the sum of its proper divisors (4005582485).

12016747443 is an equidigital number, since it uses as much as digits as its factorization.

12016747443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005582484.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 12016747443 in words is "twelve billion, sixteen million, seven hundred forty-seven thousand, four hundred forty-three".