12012233221333 has 4 divisors (see below), whose sum is σ = 12015627469920. Its totient is φ = 12008838972748.

The previous prime is 12012233221271. The next prime is 12012233221369. The reversal of 12012233221333 is 33312233221021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012233221333 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 (12012233221393) 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, 1697118985 + ... + 1697126062.

It is an arithmetic number, because the mean of its divisors is an integer number (3003906867480).

Almost surely, 2^{12012233221333} is an apocalyptic number.

It is an amenable number.

12012233221333 is a deficient number, since it is larger than the sum of its proper divisors (3394248587).

12012233221333 is an equidigital number, since it uses as much as digits as its factorization.

12012233221333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394248586.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12012233221333 its reverse (33312233221021), we get a palindrome (45324466442354).

The spelling of 12012233221333 in words is "twelve trillion, twelve billion, two hundred thirty-three million, two hundred twenty-one thousand, three hundred thirty-three".