212032244421 has 6 divisors (see below), whose sum is σ = 306268797510. Its totient is φ = 141354829608.

The previous prime is 212032244383. The next prime is 212032244423. The reversal of 212032244421 is 124442230212.

It is a happy number.

212032244421 is a `hidden beast` number, since 2 + 12 + 0 + 3 + 224 + 4 + 421 = 666.

212032244421 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 only one way, i.e., 114007522500 + 98024721921 = 337650^2 + 313089^2 .

It is not a de Polignac number, because 212032244421 - 2¹⁹ = 212031720133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212032244423) 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 5 ways as a sum of consecutive naturals, for example, 11779569126 + ... + 11779569143.

It is an arithmetic number, because the mean of its divisors is an integer number (51044799585).

Almost surely, 2^212032244421 is an apocalyptic number.

It is an amenable number.

212032244421 is a deficient number, since it is larger than the sum of its proper divisors (94236553089).

212032244421 is a wasteful number, since it uses less digits than its factorization.

212032244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23559138275 (or 23559138272 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 212032244421 its reverse (124442230212), we get a palindrome (336474474633).

The spelling of 212032244421 in words is "two hundred twelve billion, thirty-two million, two hundred forty-four thousand, four hundred twenty-one".