212404425200 has 120 divisors (see below), whose sum is σ = 558128273040. Its totient is φ = 77038796800.

The previous prime is 212404425199. The next prime is 212404425209. The reversal of 212404425200 is 2524404212.

It is a self number, because there is not a number n which added to its sum of digits gives 212404425200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212404425209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1649552 + ... + 1773648.

It is an arithmetic number, because the mean of its divisors is an integer number (4651068942).

Almost surely, 2^212404425200 is an apocalyptic number.

212404425200 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 212404425200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279064136520).

212404425200 is an abundant number, since it is smaller than the sum of its proper divisors (345723847840).

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

212404425200 is a wasteful number, since it uses less digits than its factorization.

212404425200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124515 (or 124504 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 212404425200 its reverse (2524404212), we get a palindrome (214928829412).

The spelling of 212404425200 in words is "two hundred twelve billion, four hundred four million, four hundred twenty-five thousand, two hundred".