12064211065 has 4 divisors (see below), whose sum is σ = 14477053284. Its totient is φ = 9651368848.

The previous prime is 12064211059. The next prime is 12064211087. The reversal of 12064211065 is 56011246021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1345128976 + 10719082089 = 36676^2 + 103533^2 .

It is a cyclic number.

It is not a de Polignac number, because 12064211065 - 2¹⁵ = 12064178297 is a prime.

It is a Duffinian number.

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, 1206421102 + ... + 1206421111.

It is an arithmetic number, because the mean of its divisors is an integer number (3619263321).

Almost surely, 2^12064211065 is an apocalyptic number.

It is an amenable number.

12064211065 is a deficient number, since it is larger than the sum of its proper divisors (2412842219).

12064211065 is an equidigital number, since it uses as much as digits as its factorization.

12064211065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412842218.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 12064211065 its reverse (56011246021), we get a palindrome (68075457086).

The spelling of 12064211065 in words is "twelve billion, sixty-four million, two hundred eleven thousand, sixty-five".