12022212111 has 32 divisors (see below), whose sum is σ = 19773895680. Its totient is φ = 6326878464.

The previous prime is 12022212071. The next prime is 12022212119. The reversal of 12022212111 is 11121222021.

It is not a de Polignac number, because 12022212111 - 2⁶ = 12022212047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022212119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69691 + ... + 170003.

It is an arithmetic number, because the mean of its divisors is an integer number (617934240).

Almost surely, 2^12022212111 is an apocalyptic number.

12022212111 is a deficient number, since it is larger than the sum of its proper divisors (7751683569).

12022212111 is a wasteful number, since it uses less digits than its factorization.

12022212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100775.

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

Adding to 12022212111 its reverse (11121222021), we get a palindrome (23143434132).

The spelling of 12022212111 in words is "twelve billion, twenty-two million, two hundred twelve thousand, one hundred eleven".