12021001112201 has 4 divisors (see below), whose sum is σ = 12029052688452. Its totient is φ = 12012949535952.

The previous prime is 12021001112179. The next prime is 12021001112221. The reversal of 12021001112201 is 10221110012021.

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 7136105479801 + 4884895632400 = 2671349^2 + 2210180^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021001112201 - 2³⁰ = 12019927370377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12021001112221) 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, 4025785886 + ... + 4025788871.

It is an arithmetic number, because the mean of its divisors is an integer number (3007263172113).

Almost surely, 2^{12021001112201} is an apocalyptic number.

It is an amenable number.

12021001112201 is a deficient number, since it is larger than the sum of its proper divisors (8051576251).

12021001112201 is an equidigital number, since it uses as much as digits as its factorization.

12021001112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051576250.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021001112201 its reverse (10221110012021), we get a palindrome (22242111124222).

The spelling of 12021001112201 in words is "twelve trillion, twenty-one billion, one million, one hundred twelve thousand, two hundred one".