12211231320201 has 16 divisors (see below), whose sum is σ = 16300541629440. Its totient is φ = 8131372235280.

The previous prime is 12211231320181. The next prime is 12211231320271. The reversal of 12211231320201 is 10202313211221.

It is not a de Polignac number, because 12211231320201 - 2²¹ = 12211229223049 is a prime.

It is a super-2 number, since 2×12211231320201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211231320271) 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, 39610666 + ... + 39917756.

It is an arithmetic number, because the mean of its divisors is an integer number (1018783851840).

Almost surely, 2^{12211231320201} is an apocalyptic number.

It is an amenable number.

12211231320201 is a deficient number, since it is larger than the sum of its proper divisors (4089310309239).

12211231320201 is a wasteful number, since it uses less digits than its factorization.

12211231320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322436.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12211231320201 its reverse (10202313211221), we get a palindrome (22413544531422).

The spelling of 12211231320201 in words is "twelve trillion, two hundred eleven billion, two hundred thirty-one million, three hundred twenty thousand, two hundred one".