12020012122099 has 4 divisors (see below), whose sum is σ = 12020185808136. Its totient is φ = 12019838436064.

The previous prime is 12020012122087. The next prime is 12020012122103. The reversal of 12020012122099 is 99022121002021.

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 12020012122099 - 2¹⁷ = 12020011991027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020012122099.

It is not an unprimeable number, because it can be changed into a prime (12020012122199) 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, 86739169 + ... + 86877634.

It is an arithmetic number, because the mean of its divisors is an integer number (3005046452034).

Almost surely, 2^{12020012122099} is an apocalyptic number.

12020012122099 is a deficient number, since it is larger than the sum of its proper divisors (173686037).

12020012122099 is an equidigital number, since it uses as much as digits as its factorization.

12020012122099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173686036.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 12020012122099 in words is "twelve trillion, twenty billion, twelve million, one hundred twenty-two thousand, ninety-nine".