211273406324 has 12 divisors (see below), whose sum is σ = 372427209924. Its totient is φ = 104865632064.

The previous prime is 211273406231. The next prime is 211273406353. The reversal of 211273406324 is 423604372112.

It can be written as a sum of positive squares in 2 ways, for example, as 135879229924 + 75394176400 = 368618^2 + 274580^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 192767159 + ... + 192768254.

It is an arithmetic number, because the mean of its divisors is an integer number (31035600827).

Almost surely, 2^211273406324 is an apocalyptic number.

It is an amenable number.

211273406324 is a deficient number, since it is larger than the sum of its proper divisors (161153803600).

211273406324 is a wasteful number, since it uses less digits than its factorization.

211273406324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385535554 (or 385535552 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 211273406324 its reverse (423604372112), we get a palindrome (634877778436).

The spelling of 211273406324 in words is "two hundred eleven billion, two hundred seventy-three million, four hundred six thousand, three hundred twenty-four".