12232222011 has 48 divisors (see below), whose sum is σ = 18522129600. Its totient is φ = 7769051136.

The previous prime is 12232222001. The next prime is 12232222049. The reversal of 12232222011 is 11022223221.

12232222011 is a `hidden beast` number, since 122 + 322 + 220 + 1 + 1 = 666.

It is not a de Polignac number, because 12232222011 - 2⁵ = 12232221979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12232222001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9489055 + ... + 9490343.

It is an arithmetic number, because the mean of its divisors is an integer number (385877700).

Almost surely, 2^12232222011 is an apocalyptic number.

12232222011 is a deficient number, since it is larger than the sum of its proper divisors (6289907589).

12232222011 is a wasteful number, since it uses less digits than its factorization.

12232222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12232222011 its reverse (11022223221), we get a palindrome (23254445232).

The spelling of 12232222011 in words is "twelve billion, two hundred thirty-two million, two hundred twenty-two thousand, eleven".