12113025666 has 16 divisors (see below), whose sum is σ = 27686915904. Its totient is φ = 3460864464.

The previous prime is 12113025649. The next prime is 12113025667. The reversal of 12113025666 is 66652031121.

12113025666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12113025667) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 144202645 + ... + 144202728.

It is an arithmetic number, because the mean of its divisors is an integer number (1730432244).

Almost surely, 2^12113025666 is an apocalyptic number.

12113025666 is an abundant number, since it is smaller than the sum of its proper divisors (15573890238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12113025666 is a wasteful number, since it uses less digits than its factorization.

12113025666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288405385.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 12113025666 its reverse (66652031121), we get a palindrome (78765056787).

The spelling of 12113025666 in words is "twelve billion, one hundred thirteen million, twenty-five thousand, six hundred sixty-six".