121388341966410 has 32 divisors (see below), whose sum is σ = 291333047690880. Its totient is φ = 32370110416448.

The previous prime is 121388341966391. The next prime is 121388341966477. The reversal of 121388341966410 is 14669143883121.

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 15 ways as a sum of consecutive naturals, for example, 1699804 + ... + 15673736.

It is an arithmetic number, because the mean of its divisors is an integer number (9104157740340).

Almost surely, 2^{121388341966410} is an apocalyptic number.

121388341966410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121388341966410 is an abundant number, since it is smaller than the sum of its proper divisors (169944705724470).

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

121388341966410 is a wasteful number, since it uses less digits than its factorization.

121388341966410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14263502.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 121388341966410 in words is "one hundred twenty-one trillion, three hundred eighty-eight billion, three hundred forty-one million, nine hundred sixty-six thousand, four hundred ten".