12010120002221 has 6 divisors (see below), whose sum is σ = 13201206283566. Its totient is φ = 10918290911000.

The previous prime is 12010120002193. The next prime is 12010120002239. The reversal of 12010120002221 is 12220002101021.

It can be written as a sum of positive squares in only one way, i.e., 11226594073321 + 783525928900 = 3350611^2 + 885170^2 .

It is not a de Polignac number, because 12010120002221 - 2²² = 12010115807917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010120002196 and 12010120002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010120302221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49628594930 + ... + 49628595171.

It is an arithmetic number, because the mean of its divisors is an integer number (2200201047261).

Almost surely, 2^{12010120002221} is an apocalyptic number.

12010120002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12010120002221 is a deficient number, since it is larger than the sum of its proper divisors (1191086281345).

12010120002221 is an equidigital number, since it uses as much as digits as its factorization.

12010120002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99257190123 (or 99257190112 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12010120002221 its reverse (12220002101021), we get a palindrome (24230122103242).

The spelling of 12010120002221 in words is "twelve trillion, ten billion, one hundred twenty million, two thousand, two hundred twenty-one".