121303332112320 has 224 divisors, whose sum is σ = 427966931557440. Its totient is φ = 32344854220800.

The previous prime is 121303332112309. The next prime is 121303332112351. The reversal of 121303332112320 is 23211233303121.

121303332112320 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 0 + 3 + 3 + 321 + 12 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103972534 + ... + 105132746.

Almost surely, 2^{121303332112320} is an apocalyptic number.

121303332112320 is a gapful number since it is divisible by the number (10) 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 121303332112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213983465778720).

121303332112320 is an abundant number, since it is smaller than the sum of its proper divisors (306663599445120).

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

121303332112320 is a wasteful number, since it uses less digits than its factorization.

121303332112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172340 (or 1172324 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 121303332112320 its reverse (23211233303121), we get a palindrome (144514565415441).

The spelling of 121303332112320 in words is "one hundred twenty-one trillion, three hundred three billion, three hundred thirty-two million, one hundred twelve thousand, three hundred twenty".