1223300221024 has 96 divisors (see below), whose sum is σ = 2811754161216. Its totient is φ = 513058129920.

The previous prime is 1223300221001. The next prime is 1223300221081. The reversal of 1223300221024 is 4201220033221.

It is a junction number, because it is equal to n+sod(n) for n = 1223300220986 and 1223300221004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2464582 + ... + 2919034.

It is an arithmetic number, because the mean of its divisors is an integer number (29289105846).

Almost surely, 2^{1223300221024} is an apocalyptic number.

1223300221024 is a gapful number since it is divisible by the number (14) 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 1223300221024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405877080608).

1223300221024 is an abundant number, since it is smaller than the sum of its proper divisors (1588453940192).

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

1223300221024 is a wasteful number, since it uses less digits than its factorization.

1223300221024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454728 (or 454720 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1223300221024 its reverse (4201220033221), we get a palindrome (5424520254245).

The spelling of 1223300221024 in words is "one trillion, two hundred twenty-three billion, three hundred million, two hundred twenty-one thousand, twenty-four".