1200103120320 has 112 divisors (see below), whose sum is σ = 4103429557920. Its totient is φ = 295409995776.

The previous prime is 1200103120303. The next prime is 1200103120331. The reversal of 1200103120320 is 230213010021.

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 1200103120320.

It is a congruent number.

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, 48068575 + ... + 48093534.

It is an arithmetic number, because the mean of its divisors is an integer number (36637763910).

Almost surely, 2^{1200103120320} is an apocalyptic number.

1200103120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200103120320 is an abundant number, since it is smaller than the sum of its proper divisors (2903326437600).

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

1200103120320 is a wasteful number, since it uses less digits than its factorization.

1200103120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96162142 (or 96162132 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1200103120320 its reverse (230213010021), we get a palindrome (1430316130341).

The spelling of 1200103120320 in words is "one trillion, two hundred billion, one hundred three million, one hundred twenty thousand, three hundred twenty".