12232340212 has 6 divisors (see below), whose sum is σ = 21406595378. Its totient is φ = 6116170104.

The previous prime is 12232340209. The next prime is 12232340227. The reversal of 12232340212 is 21204323221.

It can be written as a sum of positive squares in only one way, i.e., 10649414416 + 1582925796 = 103196^2 + 39786^2 .

It is a super-2 number, since 2×12232340212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1529042523 + ... + 1529042530.

Almost surely, 2^12232340212 is an apocalyptic number.

It is an amenable number.

12232340212 is a deficient number, since it is larger than the sum of its proper divisors (9174255166).

12232340212 is a wasteful number, since it uses less digits than its factorization.

12232340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058085057 (or 3058085055 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12232340212 its reverse (21204323221), we get a palindrome (33436663433).

The spelling of 12232340212 in words is "twelve billion, two hundred thirty-two million, three hundred forty thousand, two hundred twelve".