121333321023312 has 160 divisors (see below), whose sum is σ = 322326586778112. Its totient is φ = 39301175849472.

The previous prime is 121333321023293. The next prime is 121333321023403. The reversal of 121333321023312 is 213320123333121.

It is a self number, because there is not a number n which added to its sum of digits gives 121333321023312.

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 31 ways as a sum of consecutive naturals, for example, 4731622363 + ... + 4731648005.

Almost surely, 2^{121333321023312} is an apocalyptic number.

121333321023312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121333321023312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161163293389056).

121333321023312 is an abundant number, since it is smaller than the sum of its proper divisors (200993265754800).

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

121333321023312 is a wasteful number, since it uses less digits than its factorization.

121333321023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28985 (or 28979 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 121333321023312 its reverse (213320123333121), we get a palindrome (334653444356433).

The spelling of 121333321023312 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, three hundred twenty-one million, twenty-three thousand, three hundred twelve".