212323200320320 has 28 divisors (see below), whose sum is σ = 505594620763524. Its totient is φ = 84929280128000.

The previous prime is 212323200320279. The next prime is 212323200320327. The reversal of 212323200320320 is 23023002323212.

It can be written as a sum of positive squares in 2 ways, for example, as 38445853022784 + 173877347297536 = 6200472^2 + 13186256^2 .

It is a super-2 number, since 2×212323200320320² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323200320327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331755000181 + ... + 331755000820.

Almost surely, 2^{212323200320320} is an apocalyptic number.

212323200320320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212323200320320 is an abundant number, since it is smaller than the sum of its proper divisors (293271420443204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212323200320320 is an equidigital number, since it uses as much as digits as its factorization.

212323200320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663510001018 (or 663510001008 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 212323200320320 its reverse (23023002323212), we get a palindrome (235346202643532).

The spelling of 212323200320320 in words is "two hundred twelve trillion, three hundred twenty-three billion, two hundred million, three hundred twenty thousand, three hundred twenty".