212044033444 has 24 divisors (see below), whose sum is σ = 373079859768. Its totient is φ = 105450132480.

The previous prime is 212044033433. The next prime is 212044033447. The reversal of 212044033444 is 444330440212.

It can be written as a sum of positive squares in 4 ways, for example, as 124812410944 + 87231622500 = 353288^2 + 295350^2 .

It is a super-2 number, since 2×212044033444² (a number of 23 digits) contains 22 as substring.

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, 2522004 + ... + 2604724.

It is an arithmetic number, because the mean of its divisors is an integer number (15544994157).

Almost surely, 2^212044033444 is an apocalyptic number.

It is an amenable number.

212044033444 is a deficient number, since it is larger than the sum of its proper divisors (161035826324).

212044033444 is a wasteful number, since it uses less digits than its factorization.

212044033444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86175 (or 86173 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 212044033444 its reverse (444330440212), we get a palindrome (656374473656).

The spelling of 212044033444 in words is "two hundred twelve billion, forty-four million, thirty-three thousand, four hundred forty-four".