1323210130220 has 24 divisors (see below), whose sum is σ = 3031354117008. Its totient is φ = 481167320000.

The previous prime is 1323210130213. The next prime is 1323210130241. The reversal of 1323210130220 is 220310123231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1323210130192 and 1323210130201.

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 7 ways as a sum of consecutive naturals, for example, 3007295531 + ... + 3007295970.

It is an arithmetic number, because the mean of its divisors is an integer number (126306421542).

Almost surely, 2^{1323210130220} is an apocalyptic number.

1323210130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323210130220 is an abundant number, since it is smaller than the sum of its proper divisors (1708143986788).

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

1323210130220 is a wasteful number, since it uses less digits than its factorization.

1323210130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014591521 (or 6014591519 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1323210130220 its reverse (220310123231), we get a palindrome (1543520253451).

The spelling of 1323210130220 in words is "one trillion, three hundred twenty-three billion, two hundred ten million, one hundred thirty thousand, two hundred twenty".