12303220331100 has 72 divisors (see below), whose sum is σ = 35616592142208. Its totient is φ = 3279082289600.

The previous prime is 12303220331069. The next prime is 12303220331113. The reversal of 12303220331100 is 113302230321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10547886 + ... + 11656085.

It is an arithmetic number, because the mean of its divisors is an integer number (494674890864).

Almost surely, 2^{12303220331100} is an apocalyptic number.

12303220331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303220331100 is an abundant number, since it is smaller than the sum of its proper divisors (23313371811108).

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

12303220331100 is a wasteful number, since it uses less digits than its factorization.

12303220331100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22205835 (or 22205828 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12303220331100 its reverse (113302230321), we get a palindrome (12416522561421).

The spelling of 12303220331100 in words is "twelve trillion, three hundred three billion, two hundred twenty million, three hundred thirty-one thousand, one hundred".