211240213312 has 56 divisors (see below), whose sum is σ = 425740689792. Its totient is φ = 103971571200.

The previous prime is 211240213309. The next prime is 211240213357. The reversal of 211240213312 is 213312042112.

211240213312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2931637 + ... + 3002827.

Almost surely, 2^211240213312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211240213312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212870344896).

211240213312 is an abundant number, since it is smaller than the sum of its proper divisors (214500476480).

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

211240213312 is an equidigital number, since it uses as much as digits as its factorization.

211240213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71927 (or 71917 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211240213312 its reverse (213312042112), we get a palindrome (424552255424).

The spelling of 211240213312 in words is "two hundred eleven billion, two hundred forty million, two hundred thirteen thousand, three hundred twelve".