1213320300320 has 48 divisors (see below), whose sum is σ = 2866593457728. Its totient is φ = 485307083520.

The previous prime is 1213320300299. The next prime is 1213320300359. The reversal of 1213320300320 is 230030233121.

It is a super-2 number, since 2×1213320300320² (a number of 25 digits) contains 22 as substring.

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 = 1213320300292 and 1213320300301.

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, 3842855 + ... + 4146585.

It is an arithmetic number, because the mean of its divisors is an integer number (59720697036).

Almost surely, 2^{1213320300320} is an apocalyptic number.

1213320300320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213320300320 is an abundant number, since it is smaller than the sum of its proper divisors (1653273157408).

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

1213320300320 is a wasteful number, since it uses less digits than its factorization.

1213320300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328713 (or 328705 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1213320300320 its reverse (230030233121), we get a palindrome (1443350533441).

The spelling of 1213320300320 in words is "one trillion, two hundred thirteen billion, three hundred twenty million, three hundred thousand, three hundred twenty".