12120228104 has 16 divisors (see below), whose sum is σ = 23097976620. Its totient is φ = 5960767680.

The previous prime is 12120228103. The next prime is 12120228139. The reversal of 12120228104 is 40182202121.

It can be written as a sum of positive squares in 2 ways, for example, as 9787144900 + 2333083204 = 98930^2 + 48302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12120228104.

It is not an unprimeable number, because it can be changed into a prime (12120228101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12417779 + ... + 12418754.

Almost surely, 2^12120228104 is an apocalyptic number.

It is an amenable number.

12120228104 is a deficient number, since it is larger than the sum of its proper divisors (10977748516).

12120228104 is a wasteful number, since it uses less digits than its factorization.

12120228104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24836600 (or 24836596 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The spelling of 12120228104 in words is "twelve billion, one hundred twenty million, two hundred twenty-eight thousand, one hundred four".