12012010211 has 4 divisors (see below), whose sum is σ = 12026500800. Its totient is φ = 11997519624.

The previous prime is 12012010201. The next prime is 12012010243. The reversal of 12012010211 is 11201021021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11201021021 = 557 ⋅20109553.

It is a cyclic number.

It is not a de Polignac number, because 12012010211 - 2¹⁴ = 12011993827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012010192 and 12012010201.

It is not an unprimeable number, because it can be changed into a prime (12012010201) 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, 7244051 + ... + 7245708.

It is an arithmetic number, because the mean of its divisors is an integer number (3006625200).

Almost surely, 2^12012010211 is an apocalyptic number.

12012010211 is a deficient number, since it is larger than the sum of its proper divisors (14490589).

12012010211 is an equidigital number, since it uses as much as digits as its factorization.

12012010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14490588.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12012010211 its reverse (11201021021), we get a palindrome (23213031232).

The spelling of 12012010211 in words is "twelve billion, twelve million, ten thousand, two hundred eleven".