1232222312 has 32 divisors (see below), whose sum is σ = 2368293120. Its totient is φ = 600774720.

The previous prime is 1232222311. The next prime is 1232222357. The reversal of 1232222312 is 2132222321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1232222311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98237 + ... + 110067.

It is an arithmetic number, because the mean of its divisors is an integer number (74009160).

Almost surely, 2^1232222312 is an apocalyptic number.

It is an amenable number.

1232222312 is a deficient number, since it is larger than the sum of its proper divisors (1136070808).

1232222312 is a wasteful number, since it uses less digits than its factorization.

1232222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161 (or 12157 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 1232222312 is about 35103.0242571776. The cubic root of 1232222312 is about 1072.0861597230.

Adding to 1232222312 its reverse (2132222321), we get a palindrome (3364444633).

Subtracting 1232222312 from its reverse (2132222321), we obtain a palindrome (900000009).

The spelling of 1232222312 in words is "one billion, two hundred thirty-two million, two hundred twenty-two thousand, three hundred twelve".