212430233020 has 96 divisors (see below), whose sum is σ = 497467897920. Its totient is φ = 75724554240.

The previous prime is 212430232997. The next prime is 212430233027. The reversal of 212430233020 is 20332034212.

It is a junction number, because it is equal to n+sod(n) for n = 212430232982 and 212430233000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212430233027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13952452 + ... + 13967668.

It is an arithmetic number, because the mean of its divisors is an integer number (5181957270).

Almost surely, 2^212430233020 is an apocalyptic number.

212430233020 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 212430233020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248733948960).

212430233020 is an abundant number, since it is smaller than the sum of its proper divisors (285037664900).

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

212430233020 is a wasteful number, since it uses less digits than its factorization.

212430233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17423 (or 17421 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 212430233020 its reverse (20332034212), we get a palindrome (232762267232).

The spelling of 212430233020 in words is "two hundred twelve billion, four hundred thirty million, two hundred thirty-three thousand, twenty".