1200330021120 has 72 divisors (see below), whose sum is σ = 3833554017216. Its totient is φ = 320088004608.

The previous prime is 1200330021109. The next prime is 1200330021131. The reversal of 1200330021120 is 211200330021.

It is an interprime number because it is at equal distance from previous prime (1200330021109) and next prime (1200330021131).

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 1200330021120.

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 7 ways as a sum of consecutive naturals, for example, 156289132 + ... + 156296811.

Almost surely, 2^{1200330021120} is an apocalyptic number.

1200330021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200330021120 is an abundant number, since it is smaller than the sum of its proper divisors (2633223996096).

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

1200330021120 is an equidigital number, since it uses as much as digits as its factorization.

1200330021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312585967 (or 312585953 counting only the distinct ones).

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

Adding to 1200330021120 its reverse (211200330021), we get a palindrome (1411530351141).

The spelling of 1200330021120 in words is "one trillion, two hundred billion, three hundred thirty million, twenty-one thousand, one hundred twenty".