12612205204 has 24 divisors (see below), whose sum is σ = 23199115968. Its totient is φ = 5987889600.

The previous prime is 12612205189. The next prime is 12612205231. The reversal of 12612205204 is 40250221621.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 487722 + ... + 512929.

It is an arithmetic number, because the mean of its divisors is an integer number (966629832).

Almost surely, 2^12612205204 is an apocalyptic number.

It is an amenable number.

12612205204 is a deficient number, since it is larger than the sum of its proper divisors (10586910764).

12612205204 is a wasteful number, since it uses less digits than its factorization.

12612205204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000815 (or 1000813 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12612205204 its reverse (40250221621), we get a palindrome (52862426825).

The spelling of 12612205204 in words is "twelve billion, six hundred twelve million, two hundred five thousand, two hundred four".