12220222011 has 8 divisors (see below), whose sum is σ = 16294207824. Its totient is φ = 8146525440.

The previous prime is 12220221983. The next prime is 12220222019. The reversal of 12220222011 is 11022202221.

12220222011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12220222011 - 2⁹ = 12220221499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220222019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61815 + ... + 168111.

It is an arithmetic number, because the mean of its divisors is an integer number (2036775978).

Almost surely, 2^12220222011 is an apocalyptic number.

12220222011 is a deficient number, since it is larger than the sum of its proper divisors (4073985813).

12220222011 is a wasteful number, since it uses less digits than its factorization.

12220222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144621.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220222011 its reverse (11022202221), we get a palindrome (23242424232).

The spelling of 12220222011 in words is "twelve billion, two hundred twenty million, two hundred twenty-two thousand, eleven".