12122020201 has 4 divisors (see below), whose sum is σ = 12122260804. Its totient is φ = 12121779600.

The previous prime is 12122020177. The next prime is 12122020219. The reversal of 12122020201 is 10202022121.

It is a happy number.

12122020201 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 230400 + 12121789801 = 480^2 + 110099^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122020201 - 2¹³ = 12122012009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122020231) 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, 12570 + ... + 156211.

It is an arithmetic number, because the mean of its divisors is an integer number (3030565201).

Almost surely, 2^12122020201 is an apocalyptic number.

It is an amenable number.

12122020201 is a deficient number, since it is larger than the sum of its proper divisors (240603).

12122020201 is an equidigital number, since it uses as much as digits as its factorization.

12122020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240602.

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

Adding to 12122020201 its reverse (10202022121), we get a palindrome (22324042322).

The spelling of 12122020201 in words is "twelve billion, one hundred twenty-two million, twenty thousand, two hundred one".