212031044000 has 48 divisors (see below), whose sum is σ = 520960284936. Its totient is φ = 84812416000.

The previous prime is 212031043993. The next prime is 212031044003. The reversal of 212031044000 is 440130212.

It can be written as a sum of positive squares in 4 ways, for example, as 32617804816 + 179413239184 = 180604^2 + 423572^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212031044000.

It is not an unprimeable number, because it can be changed into a prime (212031044003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26499881 + ... + 26507880.

Almost surely, 2^212031044000 is an apocalyptic number.

212031044000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212031044000 is an abundant number, since it is smaller than the sum of its proper divisors (308929240936).

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

212031044000 is an equidigital number, since it uses as much as digits as its factorization.

212031044000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53007786 (or 53007768 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212031044000 its reverse (440130212), we get a palindrome (212471174212).

The spelling of 212031044000 in words is "two hundred twelve billion, thirty-one million, forty-four thousand".