12211234132 has 12 divisors (see below), whose sum is σ = 21772861236. Its totient is φ = 5990416640.

The previous prime is 12211234117. The next prime is 12211234157. The reversal of 12211234132 is 23143211221.

It can be written as a sum of positive squares in 2 ways, for example, as 8590323856 + 3620910276 = 92684^2 + 60174^2 .

It is a super-2 number, since 2×12211234132² (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 in 3 ways as a sum of consecutive naturals, for example, 28799869 + ... + 28800292.

It is an arithmetic number, because the mean of its divisors is an integer number (1814405103).

Almost surely, 2^12211234132 is an apocalyptic number.

It is an amenable number.

12211234132 is a deficient number, since it is larger than the sum of its proper divisors (9561627104).

12211234132 is a wasteful number, since it uses less digits than its factorization.

12211234132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57600218 (or 57600216 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 12211234132 its reverse (23143211221), we get a palindrome (35354445353).

The spelling of 12211234132 in words is "twelve billion, two hundred eleven million, two hundred thirty-four thousand, one hundred thirty-two".