212322032244505 has 16 divisors (see below), whose sum is σ = 265925284393104. Its totient is φ = 162588063339520.

The previous prime is 212322032244481. The next prime is 212322032244527. The reversal of 212322032244505 is 505442230223212.

It can be written as a sum of positive squares in 8 ways, for example, as 24371312966361 + 187950719278144 = 4936731^2 + 13709512^2 .

It is not a de Polignac number, because 212322032244505 - 2¹⁹ = 212322031720217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9770906404 + ... + 9770928133.

It is an arithmetic number, because the mean of its divisors is an integer number (16620330274569).

Almost surely, 2^{212322032244505} is an apocalyptic number.

It is an amenable number.

212322032244505 is a deficient number, since it is larger than the sum of its proper divisors (53603252148599).

212322032244505 is a wasteful number, since it uses less digits than its factorization.

212322032244505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19541834636.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 212322032244505 its reverse (505442230223212), we get a palindrome (717764262467717).

The spelling of 212322032244505 in words is "two hundred twelve trillion, three hundred twenty-two billion, thirty-two million, two hundred forty-four thousand, five hundred five".