12210303030320 has 80 divisors (see below), whose sum is σ = 29382369408000. Its totient is φ = 4713377270784.

The previous prime is 12210303030311. The next prime is 12210303030421. The reversal of 12210303030320 is 2303030301221.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 12210303030292 and 12210303030301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3410321 + ... + 6004239.

It is an arithmetic number, because the mean of its divisors is an integer number (367279617600).

Almost surely, 2^{12210303030320} is an apocalyptic number.

12210303030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210303030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14691184704000).

12210303030320 is an abundant number, since it is smaller than the sum of its proper divisors (17172066377680).

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

12210303030320 is a wasteful number, since it uses less digits than its factorization.

12210303030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595990 (or 2595984 counting only the distinct ones).

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

Adding to 12210303030320 its reverse (2303030301221), we get a palindrome (14513333331541).

The spelling of 12210303030320 in words is "twelve trillion, two hundred ten billion, three hundred three million, thirty thousand, three hundred twenty".