12012121330333 has 4 divisors (see below), whose sum is σ = 12147088985820. Its totient is φ = 11877153674848.

The previous prime is 12012121330327. The next prime is 12012121330351. The reversal of 12012121330333 is 33303312121021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6552361018564 + 5459760311769 = 2559758^2 + 2336613^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012121330333 - 2¹⁷ = 12012121199261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012121330298 and 12012121330307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012121330393) 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 3 ways as a sum of consecutive naturals, for example, 67483827610 + ... + 67483827787.

It is an arithmetic number, because the mean of its divisors is an integer number (3036772246455).

Almost surely, 2^{12012121330333} is an apocalyptic number.

It is an amenable number.

12012121330333 is a deficient number, since it is larger than the sum of its proper divisors (134967655487).

12012121330333 is an equidigital number, since it uses as much as digits as its factorization.

12012121330333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134967655486.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12012121330333 its reverse (33303312121021), we get a palindrome (45315433451354).

The spelling of 12012121330333 in words is "twelve trillion, twelve billion, one hundred twenty-one million, three hundred thirty thousand, three hundred thirty-three".