121228505208834 has 8 divisors (see below), whose sum is σ = 242457010417680. Its totient is φ = 40409501736276.

The previous prime is 121228505208821. The next prime is 121228505208841. The reversal of 121228505208834 is 438802505822121.

It is a sphenic number, since it is the product of 3 distinct primes.

121228505208834 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10102375434064 + ... + 10102375434075.

It is an arithmetic number, because the mean of its divisors is an integer number (30307126302210).

Almost surely, 2^{121228505208834} is an apocalyptic number.

121228505208834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121228505208834 is a wasteful number, since it uses less digits than its factorization.

121228505208834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20204750868144.

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 121228505208834 in words is "one hundred twenty-one trillion, two hundred twenty-eight billion, five hundred five million, two hundred eight thousand, eight hundred thirty-four".