12231220321300 has 144 divisors (see below), whose sum is σ = 27011271168000. Its totient is φ = 4806819072000.

The previous prime is 12231220321291. The next prime is 12231220321433. The reversal of 12231220321300 is 312302213221.

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 47 ways as a sum of consecutive naturals, for example, 769783756 + ... + 769799644.

It is an arithmetic number, because the mean of its divisors is an integer number (187578272000).

Almost surely, 2^{12231220321300} is an apocalyptic number.

12231220321300 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 12231220321300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13505635584000).

12231220321300 is an abundant number, since it is smaller than the sum of its proper divisors (14780050846700).

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

12231220321300 is a wasteful number, since it uses less digits than its factorization.

12231220321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16586 (or 16579 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12231220321300 its reverse (312302213221), we get a palindrome (12543522534521).

The spelling of 12231220321300 in words is "twelve trillion, two hundred thirty-one billion, two hundred twenty million, three hundred twenty-one thousand, three hundred".