121340331442224 has 160 divisors (see below), whose sum is σ = 352240364548800. Its totient is φ = 39990805125120.

The previous prime is 121340331442207. The next prime is 121340331442459. The reversal of 121340331442224 is 422244133043121.

121340331442224 is a `hidden beast` number, since 1 + 2 + 13 + 403 + 3 + 14 + 4 + 2 + 224 = 666.

121340331442224 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9042172 + ... + 18012260.

It is an arithmetic number, because the mean of its divisors is an integer number (2201502278430).

Almost surely, 2^{121340331442224} 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 121340331442224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176120182274400).

121340331442224 is an abundant number, since it is smaller than the sum of its proper divisors (230900033106576).

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

121340331442224 is a wasteful number, since it uses less digits than its factorization.

121340331442224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970460 (or 8970448 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 121340331442224 its reverse (422244133043121), we get a palindrome (543584464485345).

The spelling of 121340331442224 in words is "one hundred twenty-one trillion, three hundred forty billion, three hundred thirty-one million, four hundred forty-two thousand, two hundred twenty-four".