12424212222111 has 12 divisors (see below), whose sum is σ = 17987530248688. Its totient is φ = 8263679258304.

The previous prime is 12424212222101. The next prime is 12424212222131. The reversal of 12424212222111 is 11122221242421.

12424212222111 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 421 + 2 + 2 + 221 + 11 = 666.

12424212222111 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 12424212222111 - 2⁹ = 12424212221599 is a prime.

It is a super-2 number, since 2×12424212222111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424212222101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594070035 + ... + 1594077828.

Almost surely, 2^{12424212222111} is an apocalyptic number.

12424212222111 is a deficient number, since it is larger than the sum of its proper divisors (5563318026577).

12424212222111 is a wasteful number, since it uses less digits than its factorization.

12424212222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188148302 (or 3188148299 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

Adding to 12424212222111 its reverse (11122221242421), we get a palindrome (23546433464532).

The spelling of 12424212222111 in words is "twelve trillion, four hundred twenty-four billion, two hundred twelve million, two hundred twenty-two thousand, one hundred eleven".