212325422665 has 16 divisors (see below), whose sum is σ = 271433282688. Its totient is φ = 158887754496.

The previous prime is 212325422641. The next prime is 212325422689. The reversal of 212325422665 is 566224523212.

It is an interprime number because it is at equal distance from previous prime (212325422641) and next prime (212325422689).

It is a cyclic number.

It is not a de Polignac number, because 212325422665 - 2¹⁵ = 212325389897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7648557 + ... + 7676266.

It is an arithmetic number, because the mean of its divisors is an integer number (16964580168).

Almost surely, 2^212325422665 is an apocalyptic number.

It is an amenable number.

212325422665 is a deficient number, since it is larger than the sum of its proper divisors (59107860023).

212325422665 is a wasteful number, since it uses less digits than its factorization.

212325422665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15325008.

The product of its digits is 345600, while the sum is 40.

Adding to 212325422665 its reverse (566224523212), we get a palindrome (778549945877).

The spelling of 212325422665 in words is "two hundred twelve billion, three hundred twenty-five million, four hundred twenty-two thousand, six hundred sixty-five".