12004420208 has 20 divisors (see below), whose sum is σ = 25372979448. Its totient is φ = 5456554560.

The previous prime is 12004420187. The next prime is 12004420231. The reversal of 12004420208 is 80202440021.

It is a happy number.

It is a super-2 number, since 2×12004420208² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34103291 + ... + 34103642.

Almost surely, 2^12004420208 is an apocalyptic number.

It is an amenable number.

12004420208 is an abundant number, since it is smaller than the sum of its proper divisors (13368559240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12004420208 is a wasteful number, since it uses less digits than its factorization.

12004420208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68206952 (or 68206946 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12004420208 its reverse (80202440021), we get a palindrome (92206860229).

The spelling of 12004420208 in words is "twelve billion, four million, four hundred twenty thousand, two hundred eight".