211744773312 has 56 divisors (see below), whose sum is σ = 569425695792. Its totient is φ = 69424512000.

The previous prime is 211744773311. The next prime is 211744773337. The reversal of 211744773312 is 213377447112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211744773311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9027939 + ... + 9051362.

Almost surely, 2^211744773312 is an apocalyptic number.

It is an amenable number.

211744773312 is an abundant number, since it is smaller than the sum of its proper divisors (357680922480).

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

211744773312 is a wasteful number, since it uses less digits than its factorization.

211744773312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18079377 (or 18079367 counting only the distinct ones).

The product of its digits is 197568, while the sum is 42.

The spelling of 211744773312 in words is "two hundred eleven billion, seven hundred forty-four million, seven hundred seventy-three thousand, three hundred twelve".