121312320333329 has 8 divisors (see below), whose sum is σ = 128448626640768. Its totient is φ = 114176045966400.

The previous prime is 121312320333277. The next prime is 121312320333331. The reversal of 121312320333329 is 923333023213121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121312320333329 - 2⁴⁰ = 120212808705553 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121312320333292 and 121312320333301.

It is not an unprimeable number, because it can be changed into a prime (121312320333349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66404 + ... + 15576554.

It is an arithmetic number, because the mean of its divisors is an integer number (16056078330096).

Almost surely, 2^{121312320333329} is an apocalyptic number.

It is an amenable number.

121312320333329 is a deficient number, since it is larger than the sum of its proper divisors (7136306307439).

121312320333329 is a wasteful number, since it uses less digits than its factorization.

121312320333329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15970255.

The product of its (nonzero) digits is 104976, while the sum is 38.

The spelling of 121312320333329 in words is "one hundred twenty-one trillion, three hundred twelve billion, three hundred twenty million, three hundred thirty-three thousand, three hundred twenty-nine".