12220212111 has 32 divisors (see below), whose sum is σ = 17117291520. Its totient is φ = 7745602176.

The previous prime is 12220212089. The next prime is 12220212127. The reversal of 12220212111 is 11121202221.

12220212111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12220212111 - 2⁹ = 12220211599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220212131) 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 31 ways as a sum of consecutive naturals, for example, 4156480 + ... + 4159418.

It is an arithmetic number, because the mean of its divisors is an integer number (534915360).

Almost surely, 2^12220212111 is an apocalyptic number.

12220212111 is a deficient number, since it is larger than the sum of its proper divisors (4897079409).

12220212111 is a wasteful number, since it uses less digits than its factorization.

12220212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12220212111 its reverse (11121202221), we get a palindrome (23341414332).

The spelling of 12220212111 in words is "twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred eleven".