12205017004 has 24 divisors (see below), whose sum is σ = 22495757760. Its totient is φ = 5778024336.

The previous prime is 12205017001. The next prime is 12205017029. The reversal of 12205017004 is 40071050221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12205017001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90879 + ... + 180745.

It is an arithmetic number, because the mean of its divisors is an integer number (937323240).

Almost surely, 2^12205017004 is an apocalyptic number.

It is an amenable number.

12205017004 is a deficient number, since it is larger than the sum of its proper divisors (10290740756).

12205017004 is a wasteful number, since it uses less digits than its factorization.

12205017004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91677 (or 91675 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

Adding to 12205017004 its reverse (40071050221), we get a palindrome (52276067225).

The spelling of 12205017004 in words is "twelve billion, two hundred five million, seventeen thousand, four".