12012122223211 has 8 divisors (see below), whose sum is σ = 13116391657200. Its totient is φ = 10909895843040.

The previous prime is 12012122223193. The next prime is 12012122223229. The reversal of 12012122223211 is 11232222121021.

It is an interprime number because it is at equal distance from previous prime (12012122223193) and next prime (12012122223229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012122223211 - 2¹⁹ = 12012121698923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012120223211) 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 7 ways as a sum of consecutive naturals, for example, 510751156 + ... + 510774673.

It is an arithmetic number, because the mean of its divisors is an integer number (1639548957150).

Almost surely, 2^{12012122223211} is an apocalyptic number.

12012122223211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012122223211 is a deficient number, since it is larger than the sum of its proper divisors (1104269433989).

12012122223211 is a wasteful number, since it uses less digits than its factorization.

12012122223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021526909.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12012122223211 its reverse (11232222121021), we get a palindrome (23244344344232).

The spelling of 12012122223211 in words is "twelve trillion, twelve billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred eleven".