12012121330223 has 32 divisors (see below), whose sum is σ = 14639953920000. Its totient is φ = 9626546049120.

The previous prime is 12012121330219. The next prime is 12012121330283. The reversal of 12012121330223 is 32203312121021.

It is not a de Polignac number, because 12012121330223 - 2² = 12012121330219 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 (12012121330283) 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 31 ways as a sum of consecutive naturals, for example, 24034328 + ... + 24529026.

It is an arithmetic number, because the mean of its divisors is an integer number (457498560000).

Almost surely, 2^{12012121330223} is an apocalyptic number.

12012121330223 is a deficient number, since it is larger than the sum of its proper divisors (2627832589777).

12012121330223 is a wasteful number, since it uses less digits than its factorization.

12012121330223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497115.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12012121330223 its reverse (32203312121021), we get a palindrome (44215433451244).

The spelling of 12012121330223 in words is "twelve trillion, twelve billion, one hundred twenty-one million, three hundred thirty thousand, two hundred twenty-three".