12002120101 has 4 divisors (see below), whose sum is σ = 12002365804. Its totient is φ = 12001874400.

The previous prime is 12002120093. The next prime is 12002120111. The reversal of 12002120101 is 10102120021.

12002120101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5587712001 + 6414408100 = 74751^2 + 80090^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002120101 - 2³ = 12002120093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21960 + ... + 156481.

It is an arithmetic number, because the mean of its divisors is an integer number (3000591451).

Almost surely, 2^12002120101 is an apocalyptic number.

It is an amenable number.

12002120101 is a deficient number, since it is larger than the sum of its proper divisors (245703).

12002120101 is an equidigital number, since it uses as much as digits as its factorization.

12002120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245702.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12002120101 its reverse (10102120021), we get a palindrome (22104240122).

The spelling of 12002120101 in words is "twelve billion, two million, one hundred twenty thousand, one hundred one".