12012220222099 has 4 divisors (see below), whose sum is σ = 12030960035880. Its totient is φ = 11993480408320.

The previous prime is 12012220222033. The next prime is 12012220222159. The reversal of 12012220222099 is 99022202221021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12012220222099 - 2³⁵ = 11977860483731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012220222999) 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, 9369905929 + ... + 9369907210.

It is an arithmetic number, because the mean of its divisors is an integer number (3007740008970).

Almost surely, 2^{12012220222099} is an apocalyptic number.

12012220222099 is a deficient number, since it is larger than the sum of its proper divisors (18739813781).

12012220222099 is an equidigital number, since it uses as much as digits as its factorization.

12012220222099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18739813780.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 12012220222099 in words is "twelve trillion, twelve billion, two hundred twenty million, two hundred twenty-two thousand, ninety-nine".