212232200320 has 128 divisors (see below), whose sum is σ = 588016454400. Its totient is φ = 71740354560.

The previous prime is 212232200317. The next prime is 212232200321. The reversal of 212232200320 is 23002232212.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (212232200321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15535 + ... + 651694.

It is an arithmetic number, because the mean of its divisors is an integer number (4593878550).

Almost surely, 2^212232200320 is an apocalyptic number.

212232200320 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 212232200320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294008227200).

212232200320 is an abundant number, since it is smaller than the sum of its proper divisors (375784254080).

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

212232200320 is an equidigital number, since it uses as much as digits as its factorization.

212232200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667326 (or 667314 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 212232200320 its reverse (23002232212), we get a palindrome (235234432532).

The spelling of 212232200320 in words is "two hundred twelve billion, two hundred thirty-two million, two hundred thousand, three hundred twenty".