211203313303312 has 40 divisors (see below), whose sum is σ = 461800348064640. Its totient is φ = 92691109284480.

The previous prime is 211203313303259. The next prime is 211203313303319. The reversal of 211203313303312 is 213303313302112.

It is a happy number.

It is a super-3 number, since 3×211203313303312³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (211203313303319) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20689974648 + ... + 20689984855.

It is an arithmetic number, because the mean of its divisors is an integer number (11545008701616).

Almost surely, 2^{211203313303312} is an apocalyptic number.

211203313303312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211203313303312 is an abundant number, since it is smaller than the sum of its proper divisors (250597034761328).

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

211203313303312 is a wasteful number, since it uses less digits than its factorization.

211203313303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41379959551 (or 41379959545 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 211203313303312 its reverse (213303313302112), we get a palindrome (424506626605424).

The spelling of 211203313303312 in words is "two hundred eleven trillion, two hundred three billion, three hundred thirteen million, three hundred three thousand, three hundred twelve".