212100230232 has 96 divisors (see below), whose sum is σ = 639993070080. Its totient is φ = 62905279680.

The previous prime is 212100230219. The next prime is 212100230233. The reversal of 212100230232 is 232032001212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100230233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2811748 + ... + 2886195.

It is an arithmetic number, because the mean of its divisors is an integer number (6666594480).

Almost surely, 2^212100230232 is an apocalyptic number.

212100230232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212100230232 is an abundant number, since it is smaller than the sum of its proper divisors (427892839848).

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

212100230232 is a wasteful number, since it uses less digits than its factorization.

212100230232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698013 (or 5698006 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212100230232 its reverse (232032001212), we get a palindrome (444132231444).

The spelling of 212100230232 in words is "two hundred twelve billion, one hundred million, two hundred thirty thousand, two hundred thirty-two".