12210164065 has 32 divisors (see below), whose sum is σ = 16965210240. Its totient is φ = 8337638400.

The previous prime is 12210164027. The next prime is 12210164069. The reversal of 12210164065 is 56046101221.

It is not a de Polignac number, because 12210164065 - 2⁷ = 12210163937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12210164069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378126 + ... + 409144.

It is an arithmetic number, because the mean of its divisors is an integer number (530162820).

Almost surely, 2^12210164065 is an apocalyptic number.

It is an amenable number.

12210164065 is a deficient number, since it is larger than the sum of its proper divisors (4755046175).

12210164065 is a wasteful number, since it uses less digits than its factorization.

12210164065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31473.

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

Adding to 12210164065 its reverse (56046101221), we get a palindrome (68256265286).

The spelling of 12210164065 in words is "twelve billion, two hundred ten million, one hundred sixty-four thousand, sixty-five".