12200320200320 has 128 divisors (see below), whose sum is σ = 33384544968960. Its totient is φ = 4176500760576.

The previous prime is 12200320200317. The next prime is 12200320200353. The reversal of 12200320200320 is 2300202300221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794012 + ... + 5003108.

It is an arithmetic number, because the mean of its divisors is an integer number (260816757570).

Almost surely, 2^{12200320200320} is an apocalyptic number.

12200320200320 is a gapful number since it is divisible by the number (10) 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 12200320200320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16692272484480).

12200320200320 is an abundant number, since it is smaller than the sum of its proper divisors (21184224768640).

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

12200320200320 is an equidigital number, since it uses as much as digits as its factorization.

12200320200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209770 (or 4209758 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12200320200320 its reverse (2300202300221), we get a palindrome (14500522500541).

The spelling of 12200320200320 in words is "twelve trillion, two hundred billion, three hundred twenty million, two hundred thousand, three hundred twenty".