212244230000 has 200 divisors, whose sum is σ = 584959453056. Its totient is φ = 73823200000.

The previous prime is 212244229969. The next prime is 212244230057. The reversal of 212244230000 is 32442212.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×212244230000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2488055 + ... + 2571945.

Almost surely, 2^212244230000 is an apocalyptic number.

212244230000 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 212244230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292479726528).

212244230000 is an abundant number, since it is smaller than the sum of its proper divisors (372715223056).

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

212244230000 is a wasteful number, since it uses less digits than its factorization.

212244230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83953 (or 83932 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 212244230000 its reverse (32442212), we get a palindrome (212276672212).

It can be divided in two parts, 212244 and 230000, that added together give a palindrome (442244).

The spelling of 212244230000 in words is "two hundred twelve billion, two hundred forty-four million, two hundred thirty thousand".