12122201020001 has 4 divisors (see below), whose sum is σ = 12122405566404. Its totient is φ = 12121996473600.

The previous prime is 12122201019997. The next prime is 12122201020021. The reversal of 12122201020001 is 10002010222121.

12122201020001 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 9144243363025 + 2977957656976 = 3023945^2 + 1725676^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122201020001 - 2² = 12122201019997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12122201020021) 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, 102184280 + ... + 102302841.

It is an arithmetic number, because the mean of its divisors is an integer number (3030601391601).

Almost surely, 2^{12122201020001} is an apocalyptic number.

It is an amenable number.

12122201020001 is a deficient number, since it is larger than the sum of its proper divisors (204546403).

12122201020001 is an equidigital number, since it uses as much as digits as its factorization.

12122201020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204546402.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122201020001 its reverse (10002010222121), we get a palindrome (22124211242122).

The spelling of 12122201020001 in words is "twelve trillion, one hundred twenty-two billion, two hundred one million, twenty thousand, one".