120012001231321 has 4 divisors (see below), whose sum is σ = 120194113525200. Its totient is φ = 119829888937444.

The previous prime is 120012001231313. The next prime is 120012001231333. The reversal of 120012001231321 is 123132100210021.

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 not a de Polignac number, because 120012001231321 - 2³ = 120012001231313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120012001231351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91056145951 + ... + 91056147268.

It is an arithmetic number, because the mean of its divisors is an integer number (30048528381300).

Almost surely, 2^{120012001231321} is an apocalyptic number.

It is an amenable number.

120012001231321 is a deficient number, since it is larger than the sum of its proper divisors (182112293879).

120012001231321 is an equidigital number, since it uses as much as digits as its factorization.

120012001231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182112293878.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120012001231321 its reverse (123132100210021), we get a palindrome (243144101441342).

The spelling of 120012001231321 in words is "one hundred twenty trillion, twelve billion, one million, two hundred thirty-one thousand, three hundred twenty-one".