12001201200101 has 4 divisors (see below), whose sum is σ = 12002138880000. Its totient is φ = 12000263520204.

The previous prime is 12001201200091. The next prime is 12001201200127. The reversal of 12001201200101 is 10100210210021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12001201200101 - 2²² = 12001197005797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001201200181) 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, 468820751 + ... + 468846348.

It is an arithmetic number, because the mean of its divisors is an integer number (3000534720000).

Almost surely, 2^{12001201200101} is an apocalyptic number.

It is an amenable number.

12001201200101 is a deficient number, since it is larger than the sum of its proper divisors (937679899).

12001201200101 is an equidigital number, since it uses as much as digits as its factorization.

12001201200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937679898.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001201200101 its reverse (10100210210021), we get a palindrome (22101411410122).

It can be divided in two parts, 12001 and 201200101, that added together give a palindrome (201212102).

The spelling of 12001201200101 in words is "twelve trillion, one billion, two hundred one million, two hundred thousand, one hundred one".