212102325002161 has 16 divisors (see below), whose sum is σ = 231432941779200. Its totient is φ = 192779808566400.

The previous prime is 212102325002107. The next prime is 212102325002209. The reversal of 212102325002161 is 161200523201212.

It is a happy number.

It is not a de Polignac number, because 212102325002161 - 2²⁹ = 212101788131249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212102325002461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3101375755 + ... + 3101444143.

It is an arithmetic number, because the mean of its divisors is an integer number (14464558861200).

Almost surely, 2^{212102325002161} is an apocalyptic number.

It is an amenable number.

212102325002161 is a deficient number, since it is larger than the sum of its proper divisors (19330616777039).

212102325002161 is a wasteful number, since it uses less digits than its factorization.

212102325002161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123480.

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

Adding to 212102325002161 its reverse (161200523201212), we get a palindrome (373302848203373).

The spelling of 212102325002161 in words is "two hundred twelve trillion, one hundred two billion, three hundred twenty-five million, two thousand, one hundred sixty-one".