212206310265 has 16 divisors (see below), whose sum is σ = 347811319296. Its totient is φ = 110416291200.

The previous prime is 212206310263. The next prime is 212206310293. The reversal of 212206310265 is 562013602212.

It is not a de Polignac number, because 212206310265 - 2¹ = 212206310263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212206310263) 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, 172524841 + ... + 172526070.

It is an arithmetic number, because the mean of its divisors is an integer number (21738207456).

Almost surely, 2^212206310265 is an apocalyptic number.

It is an amenable number.

212206310265 is a deficient number, since it is larger than the sum of its proper divisors (135605009031).

212206310265 is a wasteful number, since it uses less digits than its factorization.

212206310265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345050960.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 212206310265 its reverse (562013602212), we get a palindrome (774219912477).

The spelling of 212206310265 in words is "two hundred twelve billion, two hundred six million, three hundred ten thousand, two hundred sixty-five".