12211020201 has 16 divisors (see below), whose sum is σ = 17129242368. Its totient is φ = 7727472000.

The previous prime is 12211020197. The next prime is 12211020203. The reversal of 12211020201 is 10202011221.

It is not a de Polignac number, because 12211020201 - 2² = 12211020197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12211020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337025 + ... + 1346126.

It is an arithmetic number, because the mean of its divisors is an integer number (1070577648).

Almost surely, 2^12211020201 is an apocalyptic number.

It is an amenable number.

12211020201 is a deficient number, since it is larger than the sum of its proper divisors (4918222167).

12211020201 is a wasteful number, since it uses less digits than its factorization.

12211020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683232.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12211020201 its reverse (10202011221), we get a palindrome (22413031422).

It can be divided in two parts, 12211020 and 201, that added together give a palindrome (12211221).

The spelling of 12211020201 in words is "twelve billion, two hundred eleven million, twenty thousand, two hundred one".