1303221210120 has 96 divisors (see below), whose sum is σ = 4235660320320. Its totient is φ = 347509952640.

The previous prime is 1303221210061. The next prime is 1303221210131. The reversal of 1303221210120 is 210121223031.

1303221210120 is a `hidden beast` number, since 1 + 303 + 221 + 21 + 0 + 120 = 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 = 1303221210093 and 1303221210102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9430725 + ... + 9567915.

It is an arithmetic number, because the mean of its divisors is an integer number (44121461670).

Almost surely, 2^{1303221210120} is an apocalyptic number.

1303221210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303221210120 is an abundant number, since it is smaller than the sum of its proper divisors (2932439110200).

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

1303221210120 is a wasteful number, since it uses less digits than its factorization.

1303221210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163595 (or 163588 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1303221210120 its reverse (210121223031), we get a palindrome (1513342433151).

The spelling of 1303221210120 in words is "one trillion, three hundred three billion, two hundred twenty-one million, two hundred ten thousand, one hundred twenty".