1200103213320 has 128 divisors (see below), whose sum is σ = 4364011728000. Its totient is φ = 290934109440.

The previous prime is 1200103213273. The next prime is 1200103213369. The reversal of 1200103213320 is 233123010021.

1200103213320 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 10 + 321 + 332 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200103213293 and 1200103213302.

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, 50497515 + ... + 50521274.

It is an arithmetic number, because the mean of its divisors is an integer number (34093841625).

Almost surely, 2^{1200103213320} is an apocalyptic number.

1200103213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200103213320 is an abundant number, since it is smaller than the sum of its proper divisors (3163908514680).

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

1200103213320 is a wasteful number, since it uses less digits than its factorization.

1200103213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101018820 (or 101018810 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1200103213320 its reverse (233123010021), we get a palindrome (1433226223341).

The spelling of 1200103213320 in words is "one trillion, two hundred billion, one hundred three million, two hundred thirteen thousand, three hundred twenty".