121223324224 has 56 divisors (see below), whose sum is σ = 243185878880. Its totient is φ = 59948937216.

The previous prime is 121223324219. The next prime is 121223324237. The reversal of 121223324224 is 422423322121.

It is a super-3 number, since 3×121223324224³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121223324192 and 121223324201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11585107 + ... + 11595565.

It is an arithmetic number, because the mean of its divisors is an integer number (4342604980).

Almost surely, 2^121223324224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121223324224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121592939440).

121223324224 is an abundant number, since it is smaller than the sum of its proper divisors (121962554656).

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

121223324224 is a wasteful number, since it uses less digits than its factorization.

121223324224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435 (or 12425 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 121223324224 its reverse (422423322121), we get a palindrome (543646646345).

The spelling of 121223324224 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred twenty-four thousand, two hundred twenty-four".