121332565503342 has 32 divisors (see below), whose sum is σ = 269813745653760. Its totient is φ = 40416315154200.

The previous prime is 121332565503283. The next prime is 121332565503353. The reversal of 121332565503342 is 243305565233121.

121332565503342 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 3 + 2 + 56 + 550 + 3 + 3 + 42 = 666.

121332565503342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774180558 + ... + 774337265.

It is an arithmetic number, because the mean of its divisors is an integer number (8431679551680).

Almost surely, 2^{121332565503342} is an apocalyptic number.

121332565503342 is an abundant number, since it is smaller than the sum of its proper divisors (148481180150418).

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

121332565503342 is a wasteful number, since it uses less digits than its factorization.

121332565503342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548519285 (or 1548519279 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 121332565503342 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, five hundred sixty-five million, five hundred three thousand, three hundred forty-two".