212235033445 has 32 divisors (see below), whose sum is σ = 262764482400. Its totient is φ = 164443530240.

The previous prime is 212235033421. The next prime is 212235033449. The reversal of 212235033445 is 544330532212.

212235033445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 2953487716 + 209281545729 = 54346^2 + 457473^2 .

It is a de Polignac number, because none of the positive numbers 2^k-212235033445 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212235033445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212235033449) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 42674979 + ... + 42679951.

It is an arithmetic number, because the mean of its divisors is an integer number (8211390075).

Almost surely, 2^212235033445 is an apocalyptic number.

It is an amenable number.

212235033445 is a deficient number, since it is larger than the sum of its proper divisors (50529448955).

212235033445 is a wasteful number, since it uses less digits than its factorization.

212235033445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 212235033445 its reverse (544330532212), we get a palindrome (756565565657).

The spelling of 212235033445 in words is "two hundred twelve billion, two hundred thirty-five million, thirty-three thousand, four hundred forty-five".