12020011221201 has 16 divisors (see below), whose sum is σ = 16048978298880. Its totient is φ = 8002193305680.

The previous prime is 12020011221187. The next prime is 12020011221209. The reversal of 12020011221201 is 10212211002021.

It is not a de Polignac number, because 12020011221201 - 2⁶ = 12020011221137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020011221209) 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 15 ways as a sum of consecutive naturals, for example, 68601816 + ... + 68776806.

It is an arithmetic number, because the mean of its divisors is an integer number (1003061143680).

Almost surely, 2^{12020011221201} is an apocalyptic number.

It is an amenable number.

12020011221201 is a deficient number, since it is larger than the sum of its proper divisors (4028967077679).

12020011221201 is a wasteful number, since it uses less digits than its factorization.

12020011221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206716.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12020011221201 its reverse (10212211002021), we get a palindrome (22232222223222).

The spelling of 12020011221201 in words is "twelve trillion, twenty billion, eleven million, two hundred twenty-one thousand, two hundred one".