1200201202320 has 80 divisors (see below), whose sum is σ = 3720757814592. Its totient is φ = 320042119680.

The previous prime is 1200201202313. The next prime is 1200201202331. The reversal of 1200201202320 is 232021020021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1200201202320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8149659 + ... + 8295621.

Almost surely, 2^{1200201202320} is an apocalyptic number.

1200201202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200201202320 is an abundant number, since it is smaller than the sum of its proper divisors (2520556612272).

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

1200201202320 is a wasteful number, since it uses less digits than its factorization.

1200201202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180240 (or 180234 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1200201202320 its reverse (232021020021), we get a palindrome (1432222222341).

The spelling of 1200201202320 in words is "one trillion, two hundred billion, two hundred one million, two hundred two thousand, three hundred twenty".