12120200011211 has 4 divisors (see below), whose sum is σ = 12120313096800. Its totient is φ = 12120086925624.

The previous prime is 12120200011169. The next prime is 12120200011259. The reversal of 12120200011211 is 11211000202121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120200011211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120200011811) 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, 56381876 + ... + 56596433.

It is an arithmetic number, because the mean of its divisors is an integer number (3030078274200).

Almost surely, 2^{12120200011211} is an apocalyptic number.

12120200011211 is a deficient number, since it is larger than the sum of its proper divisors (113085589).

12120200011211 is a wasteful number, since it uses less digits than its factorization.

12120200011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113085588.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12120200011211 its reverse (11211000202121), we get a palindrome (23331200213332).

The spelling of 12120200011211 in words is "twelve trillion, one hundred twenty billion, two hundred million, eleven thousand, two hundred eleven".