12222012122011 has 8 divisors (see below), whose sum is σ = 12360985151760. Its totient is φ = 12083075693568.

The previous prime is 12222012122009. The next prime is 12222012122053. The reversal of 12222012122011 is 11022121022221.

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 12222012122011 - 2¹ = 12222012122009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222012122011.

It is not an unprimeable number, because it can be changed into a prime (12222012122711) 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, 8478406 + ... + 9814651.

It is an arithmetic number, because the mean of its divisors is an integer number (1545123143970).

Almost surely, 2^{12222012122011} is an apocalyptic number.

12222012122011 is a deficient number, since it is larger than the sum of its proper divisors (138973029749).

12222012122011 is an equidigital number, since it uses as much as digits as its factorization.

12222012122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300653.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12222012122011 its reverse (11022121022221), we get a palindrome (23244133144232).

The spelling of 12222012122011 in words is "twelve trillion, two hundred twenty-two billion, twelve million, one hundred twenty-two thousand, eleven".