1320201023200 has 72 divisors (see below), whose sum is σ = 3229670162880. Its totient is φ = 526977792000.

The previous prime is 1320201023153. The next prime is 1320201023213. The reversal of 1320201023200 is 23201020231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1339401 + ... + 2105800.

It is an arithmetic number, because the mean of its divisors is an integer number (44856530040).

Almost surely, 2^{1320201023200} is an apocalyptic number.

1320201023200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320201023200 is an abundant number, since it is smaller than the sum of its proper divisors (1909469139680).

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

1320201023200 is a wasteful number, since it uses less digits than its factorization.

1320201023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445700 (or 3445687 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1320201023200 its reverse (23201020231), we get a palindrome (1343402043431).

The spelling of 1320201023200 in words is "one trillion, three hundred twenty billion, two hundred one million, twenty-three thousand, two hundred".