12320300212220 has 96 divisors (see below), whose sum is σ = 34738077298176. Its totient is φ = 3544701753600.

The previous prime is 12320300212211. The next prime is 12320300212223. The reversal of 12320300212220 is 2221200302321.

It is a happy number.

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 = 12320300212192 and 12320300212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320300212223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307679786 + ... + 307719825.

It is an arithmetic number, because the mean of its divisors is an integer number (361854971856).

Almost surely, 2^{12320300212220} is an apocalyptic number.

12320300212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320300212220 is an abundant number, since it is smaller than the sum of its proper divisors (22417777085956).

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

12320300212220 is a wasteful number, since it uses less digits than its factorization.

12320300212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615399651 (or 615399649 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12320300212220 its reverse (2221200302321), we get a palindrome (14541500514541).

The spelling of 12320300212220 in words is "twelve trillion, three hundred twenty billion, three hundred million, two hundred twelve thousand, two hundred twenty".