121068878516448 has 48 divisors (see below), whose sum is σ = 325196638816896. Its totient is φ = 39417774399360.

The previous prime is 121068878516321. The next prime is 121068878516497. The reversal of 121068878516448 is 844615878860121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 14664346468 + ... + 14664354723.

It is an arithmetic number, because the mean of its divisors is an integer number (6774929975352).

Almost surely, 2^{121068878516448} is an apocalyptic number.

It is an amenable number.

121068878516448 is an abundant number, since it is smaller than the sum of its proper divisors (204127760300448).

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

121068878516448 is a wasteful number, since it uses less digits than its factorization.

121068878516448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29328701247 (or 29328701239 counting only the distinct ones).

The product of its (nonzero) digits is 165150720, while the sum is 69.

The spelling of 121068878516448 in words is "one hundred twenty-one trillion, sixty-eight billion, eight hundred seventy-eight million, five hundred sixteen thousand, four hundred forty-eight".