212443104 has 48 divisors (see below), whose sum is σ = 587018880. Its totient is φ = 67086720.

The previous prime is 212443103. The next prime is 212443117. The reversal of 212443104 is 401344212.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212443103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56412 + ... + 60059.

It is an arithmetic number, because the mean of its divisors is an integer number (12229560).

Almost surely, 2^212443104 is an apocalyptic number.

212443104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212443104 is an abundant number, since it is smaller than the sum of its proper divisors (374575776).

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

212443104 is a wasteful number, since it uses less digits than its factorization.

212443104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116503 (or 116495 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 212443104 is about 14575.4280897681. The cubic root of 212443104 is about 596.6883328413.

Adding to 212443104 its reverse (401344212), we get a palindrome (613787316).

The spelling of 212443104 in words is "two hundred twelve million, four hundred forty-three thousand, one hundred four".