212044033445 has 8 divisors (see below), whose sum is σ = 256787270520. Its totient is φ = 168078939840.

The previous prime is 212044033433. The next prime is 212044033447. The reversal of 212044033445 is 544330440212.

It can be written as a sum of positive squares in 4 ways, for example, as 559937569 + 211484095876 = 23663^2 + 459874^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212044033445 - 2¹⁴ = 212044017061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212044033447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194535266 + ... + 194536355.

It is an arithmetic number, because the mean of its divisors is an integer number (32098408815).

Almost surely, 2^212044033445 is an apocalyptic number.

It is an amenable number.

212044033445 is a deficient number, since it is larger than the sum of its proper divisors (44743237075).

212044033445 is a wasteful number, since it uses less digits than its factorization.

212044033445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389071735.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 212044033445 its reverse (544330440212), we get a palindrome (756374473657).

The spelling of 212044033445 in words is "two hundred twelve billion, forty-four million, thirty-three thousand, four hundred forty-five".