10321303001220 has 144 divisors (see below), whose sum is σ = 33266735873280. Its totient is φ = 2581290943488.

The previous prime is 10321303001213. The next prime is 10321303001257. The reversal of 10321303001220 is 2210030312301.

10321303001220 is a `hidden beast` number, since 1 + 0 + 321 + 30 + 300 + 12 + 2 + 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 = 10321303001193 and 10321303001202.

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 47 ways as a sum of consecutive naturals, for example, 5093340 + ... + 6825299.

It is an arithmetic number, because the mean of its divisors is an integer number (231018999120).

Almost surely, 2^{10321303001220} is an apocalyptic number.

10321303001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321303001220 is an abundant number, since it is smaller than the sum of its proper divisors (22945432872060).

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

10321303001220 is a wasteful number, since it uses less digits than its factorization.

10321303001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918954 (or 11918949 counting only the distinct ones).

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

Adding to 10321303001220 its reverse (2210030312301), we get a palindrome (12531333313521).

The spelling of 10321303001220 in words is "ten trillion, three hundred twenty-one billion, three hundred three million, one thousand, two hundred twenty".