12120020210201 has 4 divisors (see below), whose sum is σ = 12240020410404. Its totient is φ = 12000020010000.

The previous prime is 12120020210197. The next prime is 12120020210209. The reversal of 12120020210201 is 10201202002121.

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 6445119548176 + 5674900662025 = 2538724^2 + 2382205^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120020210201 - 2² = 12120020210197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120020210209) 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, 60000099950 + ... + 60000100151.

It is an arithmetic number, because the mean of its divisors is an integer number (3060005102601).

Almost surely, 2^{12120020210201} is an apocalyptic number.

It is an amenable number.

12120020210201 is a deficient number, since it is larger than the sum of its proper divisors (120000200203).

12120020210201 is a wasteful number, since it uses less digits than its factorization.

12120020210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120000200202.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12120020210201 its reverse (10201202002121), we get a palindrome (22321222212322).

The spelling of 12120020210201 in words is "twelve trillion, one hundred twenty billion, twenty million, two hundred ten thousand, two hundred one".