2004212443 has 4 divisors (see below), whose sum is σ = 2010657168. Its totient is φ = 1997767720.

The previous prime is 2004212423. The next prime is 2004212447. The reversal of 2004212443 is 3442124002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004212443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004212447) 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, 3221896 + ... + 3222517.

It is an arithmetic number, because the mean of its divisors is an integer number (502664292).

Almost surely, 2^2004212443 is an apocalyptic number.

2004212443 is a deficient number, since it is larger than the sum of its proper divisors (6444725).

2004212443 is an equidigital number, since it uses as much as digits as its factorization.

2004212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444724.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2004212443 is about 44768.4313216356. The cubic root of 2004212443 is about 1260.8049871970.

Adding to 2004212443 its reverse (3442124002), we get a palindrome (5446336445).

The spelling of 2004212443 in words is "two billion, four million, two hundred twelve thousand, four hundred forty-three".