12186225512 has 8 divisors (see below), whose sum is σ = 22849172850. Its totient is φ = 6093112752.

The previous prime is 12186225497. The next prime is 12186225563. The reversal of 12186225512 is 21552268121.

12186225512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9427244836 + 2758980676 = 97094^2 + 52526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761639087 + ... + 761639102.

Almost surely, 2^12186225512 is an apocalyptic number.

It is an amenable number.

12186225512 is a deficient number, since it is larger than the sum of its proper divisors (10662947338).

12186225512 is a wasteful number, since it uses less digits than its factorization.

12186225512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523278195 (or 1523278191 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The spelling of 12186225512 in words is "twelve billion, one hundred eighty-six million, two hundred twenty-five thousand, five hundred twelve".