212144044000 has 384 divisors, whose sum is σ = 633671700480. Its totient is φ = 68179968000.

The previous prime is 212144043989. The next prime is 212144044043. The reversal of 212144044000 is 440441212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51601945 + ... + 51606055.

It is an arithmetic number, because the mean of its divisors is an integer number (1650186720).

Almost surely, 2^212144044000 is an apocalyptic number.

212144044000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212144044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316835850240).

212144044000 is an abundant number, since it is smaller than the sum of its proper divisors (421527656480).

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

212144044000 is a wasteful number, since it uses less digits than its factorization.

212144044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259 (or 4241 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 212144044000 its reverse (440441212), we get a palindrome (212584485212).

The spelling of 212144044000 in words is "two hundred twelve billion, one hundred forty-four million, forty-four thousand".