12065915118 has 16 divisors (see below), whose sum is σ = 24784042320. Its totient is φ = 3913269696.

The previous prime is 12065915117. The next prime is 12065915129. The reversal of 12065915118 is 81151956021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065915117) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27175263 + ... + 27175706.

It is an arithmetic number, because the mean of its divisors is an integer number (1549002645).

Almost surely, 2^12065915118 is an apocalyptic number.

12065915118 is an abundant number, since it is smaller than the sum of its proper divisors (12718127202).

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

12065915118 is a wasteful number, since it uses less digits than its factorization.

12065915118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54351011.

The product of its (nonzero) digits is 21600, while the sum is 39.

The spelling of 12065915118 in words is "twelve billion, sixty-five million, nine hundred fifteen thousand, one hundred eighteen".