12022012111 has 16 divisors (see below), whose sum is σ = 13036218624. Its totient is φ = 11042365824.

The previous prime is 12022012099. The next prime is 12022012127. The reversal of 12022012111 is 11121022021.

12022012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12022012111 - 2¹⁹ = 12021487823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022012091 and 12022012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022012181) 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 15 ways as a sum of consecutive naturals, for example, 949126 + ... + 961708.

It is an arithmetic number, because the mean of its divisors is an integer number (814763664).

Almost surely, 2^12022012111 is an apocalyptic number.

12022012111 is a deficient number, since it is larger than the sum of its proper divisors (1014206513).

12022012111 is a wasteful number, since it uses less digits than its factorization.

12022012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13950.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12022012111 its reverse (11121022021), we get a palindrome (23143034132).

The spelling of 12022012111 in words is "twelve billion, twenty-two million, twelve thousand, one hundred eleven".