12201020101201 has 4 divisors (see below), whose sum is σ = 12211943128372. Its totient is φ = 12190097074032.

The previous prime is 12201020101199. The next prime is 12201020101229. The reversal of 12201020101201 is 10210102010221.

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 5026384641600 + 7174635459601 = 2241960^2 + 2678551^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201020101201 - 2¹ = 12201020101199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201020101241) 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, 5461511910 + ... + 5461514143.

It is an arithmetic number, because the mean of its divisors is an integer number (3052985782093).

Almost surely, 2^{12201020101201} is an apocalyptic number.

It is an amenable number.

12201020101201 is a deficient number, since it is larger than the sum of its proper divisors (10923027171).

12201020101201 is a wasteful number, since it uses less digits than its factorization.

12201020101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923027170.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12201020101201 its reverse (10210102010221), we get a palindrome (22411122111422).

The spelling of 12201020101201 in words is "twelve trillion, two hundred one billion, twenty million, one hundred one thousand, two hundred one".