12001110331201 has 4 divisors (see below), whose sum is σ = 12001252110532. Its totient is φ = 12000968551872.

The previous prime is 12001110331127. The next prime is 12001110331229. The reversal of 12001110331201 is 10213301110021.

It is a happy number.

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 7925778956176 + 4075331375025 = 2815276^2 + 2018745^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001110331201 - 2¹³ = 12001110323009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001110331291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70762620 + ... + 70932013.

It is an arithmetic number, because the mean of its divisors is an integer number (3000313027633).

Almost surely, 2^{12001110331201} is an apocalyptic number.

It is an amenable number.

12001110331201 is a deficient number, since it is larger than the sum of its proper divisors (141779331).

12001110331201 is an equidigital number, since it uses as much as digits as its factorization.

12001110331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141779330.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12001110331201 its reverse (10213301110021), we get a palindrome (22214411441222).

The spelling of 12001110331201 in words is "twelve trillion, one billion, one hundred ten million, three hundred thirty-one thousand, two hundred one".