121320303121332 has 144 divisors (see below), whose sum is σ = 372619537355520. Its totient is φ = 32530276905984.

The previous prime is 121320303121289. The next prime is 121320303121333. The reversal of 121320303121332 is 233121303023121.

121320303121332 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 2 + 0 + 303 + 1 + 21 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121320303121296 and 121320303121305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320303121333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197161957 + ... + 197776332.

It is an arithmetic number, because the mean of its divisors is an integer number (2587635676080).

Almost surely, 2^{121320303121332} is an apocalyptic number.

121320303121332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121320303121332 is an abundant number, since it is smaller than the sum of its proper divisors (251299234234188).

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

121320303121332 is a wasteful number, since it uses less digits than its factorization.

121320303121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394938382 (or 394938377 counting only the distinct ones).

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

Adding to 121320303121332 its reverse (233121303023121), we get a palindrome (354441606144453).

The spelling of 121320303121332 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred three million, one hundred twenty-one thousand, three hundred thirty-two".