121320312020333 has 16 divisors (see below), whose sum is σ = 122868548866560. Its totient is φ = 119778285344256.

The previous prime is 121320312020311. The next prime is 121320312020351. The reversal of 121320312020333 is 333020213023121.

It is a cyclic number.

It is not a de Polignac number, because 121320312020333 - 2¹⁶ = 121320311954797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320312020363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168821183 + ... + 169538291.

It is an arithmetic number, because the mean of its divisors is an integer number (7679284304160).

Almost surely, 2^{121320312020333} is an apocalyptic number.

It is an amenable number.

121320312020333 is a deficient number, since it is larger than the sum of its proper divisors (1548236846227).

121320312020333 is an equidigital number, since it uses as much as digits as its factorization.

121320312020333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721436.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 121320312020333 its reverse (333020213023121), we get a palindrome (454340525043454).

The spelling of 121320312020333 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred twelve million, twenty thousand, three hundred thirty-three".