121844823168 has 64 divisors (see below), whose sum is σ = 323932677120. Its totient is φ = 40579507200.

The previous prime is 121844823157. The next prime is 121844823179. The reversal of 121844823168 is 861328448121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121844823157) and next prime (121844823179).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

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, 304146 + ... + 579822.

It is an arithmetic number, because the mean of its divisors is an integer number (5061448080).

Almost surely, 2^121844823168 is an apocalyptic number.

It is an amenable number.

121844823168 is an abundant number, since it is smaller than the sum of its proper divisors (202087853952).

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

121844823168 is a wasteful number, since it uses less digits than its factorization.

121844823168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276845 (or 276833 counting only the distinct ones).

The product of its digits is 589824, while the sum is 48.

The spelling of 121844823168 in words is "one hundred twenty-one billion, eight hundred forty-four million, eight hundred twenty-three thousand, one hundred sixty-eight".