12012002064 has 60 divisors (see below), whose sum is σ = 34332195456. Its totient is φ = 3918806976.

The previous prime is 12012002063. The next prime is 12012002083. The reversal of 12012002064 is 46020021021.

12012002064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12012002063) 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 11 ways as a sum of consecutive naturals, for example, 880644 + ... + 894179.

Almost surely, 2^12012002064 is an apocalyptic number.

It is an amenable number.

12012002064 is an abundant number, since it is smaller than the sum of its proper divisors (22320193392).

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

12012002064 is a wasteful number, since it uses less digits than its factorization.

12012002064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774884 (or 1774875 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12012002064 its reverse (46020021021), we get a palindrome (58032023085).

The spelling of 12012002064 in words is "twelve billion, twelve million, two thousand, sixty-four".