12020001022201 has 16 divisors (see below), whose sum is σ = 12718393232400. Its totient is φ = 11342240186368.

The previous prime is 12020001022187. The next prime is 12020001022219. The reversal of 12020001022201 is 10222010002021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1080610146576 + 10939390875625 = 1039524^2 + 3307475^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020001022201 - 2¹⁹ = 12020000497913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020001022261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14819836 + ... + 15609853.

It is an arithmetic number, because the mean of its divisors is an integer number (794899577025).

Almost surely, 2^{12020001022201} is an apocalyptic number.

It is an amenable number.

12020001022201 is a deficient number, since it is larger than the sum of its proper divisors (698392210199).

12020001022201 is a wasteful number, since it uses less digits than its factorization.

12020001022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30430028.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020001022201 its reverse (10222010002021), we get a palindrome (22242011024222).

The spelling of 12020001022201 in words is "twelve trillion, twenty billion, one million, twenty-two thousand, two hundred one".