12102320203320 has 128 divisors (see below), whose sum is σ = 36752903193600. Its totient is φ = 3187721112576.

The previous prime is 12102320203291. The next prime is 12102320203411. The reversal of 12102320203320 is 2330202320121.

It is a happy number.

It is a super-2 number, since 2×12102320203320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9741637 + ... + 10913483.

It is an arithmetic number, because the mean of its divisors is an integer number (287132056200).

Almost surely, 2^{12102320203320} is an apocalyptic number.

12102320203320 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 12102320203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18376451596800).

12102320203320 is an abundant number, since it is smaller than the sum of its proper divisors (24650582990280).

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

12102320203320 is a wasteful number, since it uses less digits than its factorization.

12102320203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172917 (or 1172913 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12102320203320 its reverse (2330202320121), we get a palindrome (14432522523441).

The spelling of 12102320203320 in words is "twelve trillion, one hundred two billion, three hundred twenty million, two hundred three thousand, three hundred twenty".