121798853524224 has 216 divisors, whose sum is σ = 351830420428032. Its totient is φ = 40524039198720.

The previous prime is 121798853524219. The next prime is 121798853524279. The reversal of 121798853524224 is 422425358897121.

It is a happy number.

121798853524224 is a `hidden beast` number, since 1 + 2 + 1 + 7 + 9 + 8 + 85 + 3 + 524 + 2 + 24 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3047160559 + ... + 3047200529.

Almost surely, 2^{121798853524224} 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 121798853524224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175915210214016).

121798853524224 is an abundant number, since it is smaller than the sum of its proper divisors (230031566903808).

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

121798853524224 is a wasteful number, since it uses less digits than its factorization.

121798853524224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42423 (or 42406 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 63.

The spelling of 121798853524224 in words is "one hundred twenty-one trillion, seven hundred ninety-eight billion, eight hundred fifty-three million, five hundred twenty-four thousand, two hundred twenty-four".