12222022011 has 16 divisors (see below), whose sum is σ = 16351178400. Its totient is φ = 8120483840.

The previous prime is 12222022009. The next prime is 12222022039. The reversal of 12222022011 is 11022022221.

It is a cyclic number.

It is not a de Polignac number, because 12222022011 - 2¹ = 12222022009 is a prime.

It is a super-3 number, since 3×12222022011³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12222022051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278931 + ... + 1288451.

It is an arithmetic number, because the mean of its divisors is an integer number (1021948650).

Almost surely, 2^12222022011 is an apocalyptic number.

12222022011 is a deficient number, since it is larger than the sum of its proper divisors (4129156389).

12222022011 is an equidigital number, since it uses as much as digits as its factorization.

12222022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10926.

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

Adding to 12222022011 its reverse (11022022221), we get a palindrome (23244044232).

The spelling of 12222022011 in words is "twelve billion, two hundred twenty-two million, twenty-two thousand, eleven".