12120020011201 has 4 divisors (see below), whose sum is σ = 12123534082500. Its totient is φ = 12116505939904.

The previous prime is 12120020011189. The next prime is 12120020011219. The reversal of 12120020011201 is 10211002002121.

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 5573381361601 + 6546638649600 = 2360801^2 + 2558640^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120020011201 - 2²⁷ = 12119885793473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120020011241) 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, 1757030476 + ... + 1757037373.

It is an arithmetic number, because the mean of its divisors is an integer number (3030883520625).

Almost surely, 2^{12120020011201} is an apocalyptic number.

It is an amenable number.

12120020011201 is a deficient number, since it is larger than the sum of its proper divisors (3514071299).

12120020011201 is an equidigital number, since it uses as much as digits as its factorization.

12120020011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514071298.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120020011201 its reverse (10211002002121), we get a palindrome (22331022013322).

The spelling of 12120020011201 in words is "twelve trillion, one hundred twenty billion, twenty million, eleven thousand, two hundred one".