12012220203107 has 4 divisors (see below), whose sum is σ = 12644442319080. Its totient is φ = 11379998087136.

The previous prime is 12012220203097. The next prime is 12012220203227. The reversal of 12012220203107 is 70130202221021.

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

It is not a de Polignac number, because 12012220203107 - 2²⁰ = 12012219154531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012120203107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316111057958 + ... + 316111057995.

It is an arithmetic number, because the mean of its divisors is an integer number (3161110579770).

Almost surely, 2^{12012220203107} is an apocalyptic number.

12012220203107 is a deficient number, since it is larger than the sum of its proper divisors (632222115973).

12012220203107 is an equidigital number, since it uses as much as digits as its factorization.

12012220203107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632222115972.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 12012220203107 its reverse (70130202221021), we get a palindrome (82142422424128).

The spelling of 12012220203107 in words is "twelve trillion, twelve billion, two hundred twenty million, two hundred three thousand, one hundred seven".