12111021301201 has 8 divisors (see below), whose sum is σ = 12117711041064. Its totient is φ = 12104332705920.

The previous prime is 12111021301129. The next prime is 12111021301219. The reversal of 12111021301201 is 10210312011121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1450639580625 + 10660381720576 = 1204425^2 + 3265024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111021301201 - 2¹³ = 12111021293009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111021302201) 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 7 ways as a sum of consecutive naturals, for example, 21331461 + ... + 21891853.

It is an arithmetic number, because the mean of its divisors is an integer number (1514713880133).

Almost surely, 2^{12111021301201} is an apocalyptic number.

It is an amenable number.

12111021301201 is a deficient number, since it is larger than the sum of its proper divisors (6689739863).

12111021301201 is an equidigital number, since it uses as much as digits as its factorization.

12111021301201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572291.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12111021301201 its reverse (10210312011121), we get a palindrome (22321333312322).

The spelling of 12111021301201 in words is "twelve trillion, one hundred eleven billion, twenty-one million, three hundred one thousand, two hundred one".