12065085064 has 16 divisors (see below), whose sum is σ = 23402105100. Its totient is φ = 5824523712.

The previous prime is 12065085049. The next prime is 12065085077. The reversal of 12065085064 is 46058056021.

It can be written as a sum of positive squares in 2 ways, for example, as 11472552100 + 592532964 = 107110^2 + 24342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26002107 + ... + 26002570.

Almost surely, 2^12065085064 is an apocalyptic number.

It is an amenable number.

12065085064 is a deficient number, since it is larger than the sum of its proper divisors (11337020036).

12065085064 is a wasteful number, since it uses less digits than its factorization.

12065085064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52004712 (or 52004708 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 12065085064 in words is "twelve billion, sixty-five million, eighty-five thousand, sixty-four".