12321010300220 has 48 divisors (see below), whose sum is σ = 26166066141600. Its totient is φ = 4872800824320.

The previous prime is 12321010300199. The next prime is 12321010300259. The reversal of 12321010300220 is 2200301012321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40809176 + ... + 41109984.

It is an arithmetic number, because the mean of its divisors is an integer number (545126377950).

Almost surely, 2^{12321010300220} is an apocalyptic number.

12321010300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321010300220 is an abundant number, since it is smaller than the sum of its proper divisors (13845055841380).

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

12321010300220 is a wasteful number, since it uses less digits than its factorization.

12321010300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323918 (or 323916 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12321010300220 its reverse (2200301012321), we get a palindrome (14521311312541).

The spelling of 12321010300220 in words is "twelve trillion, three hundred twenty-one billion, ten million, three hundred thousand, two hundred twenty".