1205201313320 has 128 divisors (see below), whose sum is σ = 2824442265600. Its totient is φ = 462337305600.

The previous prime is 1205201313307. The next prime is 1205201313331. The reversal of 1205201313320 is 233131025021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63700502 + ... + 63719418.

It is an arithmetic number, because the mean of its divisors is an integer number (22065955200).

Almost surely, 2^{1205201313320} is an apocalyptic number.

1205201313320 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 1205201313320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412221132800).

1205201313320 is an abundant number, since it is smaller than the sum of its proper divisors (1619240952280).

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

1205201313320 is a wasteful number, since it uses less digits than its factorization.

1205201313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19419 (or 19415 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1205201313320 its reverse (233131025021), we get a palindrome (1438332338341).

The spelling of 1205201313320 in words is "one trillion, two hundred five billion, two hundred one million, three hundred thirteen thousand, three hundred twenty".