211344212432 has 20 divisors (see below), whose sum is σ = 433566436356. Its totient is φ = 99456099840.

The previous prime is 211344212411. The next prime is 211344212459. The reversal of 211344212432 is 234212443112.

It can be written as a sum of positive squares in 2 ways, for example, as 66500031376 + 144844181056 = 257876^2 + 380584^2 .

It is a super-2 number, since 2×211344212432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211344212395 and 211344212404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388500119 + ... + 388500662.

Almost surely, 2^211344212432 is an apocalyptic number.

It is an amenable number.

211344212432 is an abundant number, since it is smaller than the sum of its proper divisors (222222223924).

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

211344212432 is a wasteful number, since it uses less digits than its factorization.

211344212432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777000806 (or 777000800 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 211344212432 its reverse (234212443112), we get a palindrome (445556655544).

The spelling of 211344212432 in words is "two hundred eleven billion, three hundred forty-four million, two hundred twelve thousand, four hundred thirty-two".