12320220300220 has 96 divisors (see below), whose sum is σ = 31127482552320. Its totient is φ = 4001406635520.

The previous prime is 12320220300191. The next prime is 12320220300229. The reversal of 12320220300220 is 2200302202321.

12320220300220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320220300229) 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, 31210480 + ... + 31602760.

It is an arithmetic number, because the mean of its divisors is an integer number (324244609920).

Almost surely, 2^{12320220300220} is an apocalyptic number.

12320220300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320220300220 is an abundant number, since it is smaller than the sum of its proper divisors (18807262252100).

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

12320220300220 is a wasteful number, since it uses less digits than its factorization.

12320220300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404123 (or 404121 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12320220300220 its reverse (2200302202321), we get a palindrome (14520522502541).

The spelling of 12320220300220 in words is "twelve trillion, three hundred twenty billion, two hundred twenty million, three hundred thousand, two hundred twenty".