212330231000 has 64 divisors (see below), whose sum is σ = 497163420000. Its totient is φ = 84878985600.

The previous prime is 212330230991. The next prime is 212330231027. The reversal of 212330231000 is 132033212.

It is a super-2 number, since 2×212330231000² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212330231000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1553426 + ... + 1684574.

Almost surely, 2^212330231000 is an apocalyptic number.

212330231000 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 212330231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248581710000).

212330231000 is an abundant number, since it is smaller than the sum of its proper divisors (284833189000).

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

212330231000 is a wasteful number, since it uses less digits than its factorization.

212330231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132789 (or 132775 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212330231000 its reverse (132033212), we get a palindrome (212462264212).

The spelling of 212330231000 in words is "two hundred twelve billion, three hundred thirty million, two hundred thirty-one thousand".