12112035655225 has 27 divisors (see below), whose sum is σ = 16508665194861. Its totient is φ = 8808613994400.

The previous prime is 12112035655211. The next prime is 12112035655261. The reversal of 12112035655225 is 52255653021121.

The square root of 12112035655225 is 3480235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6207407812089 + 5904627843136 = 2491467^2 + 2429944^2 .

It is not a de Polignac number, because 12112035655225 - 2⁹ = 12112035654713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 191381287 + ... + 191444563.

Almost surely, 2^{12112035655225} is an apocalyptic number.

12112035655225 is the 3480235-th square number.

12112035655225 is the 1740118-th centered octagonal number.

It is an amenable number.

12112035655225 is a deficient number, since it is larger than the sum of its proper divisors (4396629539636).

12112035655225 is an frugal number, since it uses more digits than its factorization.

12112035655225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126586 (or 63293 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 12112035655225 its reverse (52255653021121), we get a palindrome (64367688676346).

The spelling of 12112035655225 in words is "twelve trillion, one hundred twelve billion, thirty-five million, six hundred fifty-five thousand, two hundred twenty-five".