121481864756 has 12 divisors (see below), whose sum is σ = 242963729568. Its totient is φ = 52063656312.

The previous prime is 121481864747. The next prime is 121481864759. The reversal of 121481864756 is 657468184121.

It is a happy number.

121481864756 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

121481864756 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 121481864698 and 121481864707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121481864759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2169318986 + ... + 2169319041.

It is an arithmetic number, because the mean of its divisors is an integer number (20246977464).

Almost surely, 2^121481864756 is an apocalyptic number.

It is an amenable number.

121481864756 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.

121481864756 is a wasteful number, since it uses less digits than its factorization.

121481864756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338638038 (or 4338638036 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The spelling of 121481864756 in words is "one hundred twenty-one billion, four hundred eighty-one million, eight hundred sixty-four thousand, seven hundred fifty-six".