12011021101201 has 4 divisors (see below), whose sum is σ = 12080448969012. Its totient is φ = 11941593233392.

The previous prime is 12011021101199. The next prime is 12011021101207. The reversal of 12011021101201 is 10210112011021.

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 5475712320576 + 6535308780625 = 2340024^2 + 2556425^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011021101201 - 2¹ = 12011021101199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011021101207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34713933646 + ... + 34713933991.

It is an arithmetic number, because the mean of its divisors is an integer number (3020112242253).

Almost surely, 2^{12011021101201} is an apocalyptic number.

It is an amenable number.

12011021101201 is a deficient number, since it is larger than the sum of its proper divisors (69427867811).

12011021101201 is an equidigital number, since it uses as much as digits as its factorization.

12011021101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69427867810.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011021101201 its reverse (10210112011021), we get a palindrome (22221133112222).

The spelling of 12011021101201 in words is "twelve trillion, eleven billion, twenty-one million, one hundred one thousand, two hundred one".