212240242042213 has 64 divisors (see below), whose sum is σ = 281722663526400. Its totient is φ = 154987781794560.

The previous prime is 212240242042181. The next prime is 212240242042219. The reversal of 212240242042213 is 312240242042212.

It is not a de Polignac number, because 212240242042213 - 2⁵ = 212240242042181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212240242042219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64954248 + ... + 68143486.

It is an arithmetic number, because the mean of its divisors is an integer number (4401916617600).

Almost surely, 2^{212240242042213} is an apocalyptic number.

212240242042213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212240242042213 is a deficient number, since it is larger than the sum of its proper divisors (69482421484187).

212240242042213 is a wasteful number, since it uses less digits than its factorization.

212240242042213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190042.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 212240242042213 its reverse (312240242042212), we get a palindrome (524480484084425).

Subtracting 212240242042213 from its reverse (312240242042212), we obtain a palindrome (99999999999999).

The spelling of 212240242042213 in words is "two hundred twelve trillion, two hundred forty billion, two hundred forty-two million, forty-two thousand, two hundred thirteen".