12132121303323 has 16 divisors (see below), whose sum is σ = 20541157762560. Its totient is φ = 6932640744648.

The previous prime is 12132121303261. The next prime is 12132121303327. The reversal of 12132121303323 is 32330312123121.

12132121303323 is a `hidden beast` number, since 1 + 2 + 1 + 32 + 1 + 2 + 1 + 303 + 323 = 666.

It is not a de Polignac number, because 12132121303323 - 2¹⁴ = 12132121286939 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (12132121303327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32095558815 + ... + 32095559192.

It is an arithmetic number, because the mean of its divisors is an integer number (1283822360160).

Almost surely, 2^{12132121303323} is an apocalyptic number.

12132121303323 is a deficient number, since it is larger than the sum of its proper divisors (8409036459237).

12132121303323 is an equidigital number, since it uses as much as digits as its factorization.

12132121303323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64191118023 (or 64191118017 counting only the distinct ones).

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

Adding to 12132121303323 its reverse (32330312123121), we get a palindrome (44462433426444).

The spelling of 12132121303323 in words is "twelve trillion, one hundred thirty-two billion, one hundred twenty-one million, three hundred three thousand, three hundred twenty-three".