12012334421201 has 4 divisors (see below), whose sum is σ = 12012341388852. Its totient is φ = 12012327453552.

The previous prime is 12012334421167. The next prime is 12012334421203. The reversal of 12012334421201 is 10212443321021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6783154593601 + 5229179827600 = 2604449^2 + 2286740^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012334421201 - 2⁶ = 12012334421137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012334421203) 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, 1212215 + ... + 5049171.

It is an arithmetic number, because the mean of its divisors is an integer number (3003085347213).

Almost surely, 2^{12012334421201} is an apocalyptic number.

It is an amenable number.

12012334421201 is a deficient number, since it is larger than the sum of its proper divisors (6967651).

12012334421201 is an equidigital number, since it uses as much as digits as its factorization.

12012334421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967650.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 12012334421201 its reverse (10212443321021), we get a palindrome (22224777742222).

The spelling of 12012334421201 in words is "twelve trillion, twelve billion, three hundred thirty-four million, four hundred twenty-one thousand, two hundred one".