12231100232 has 32 divisors (see below), whose sum is σ = 24702262200. Its totient is φ = 5644015104.

The previous prime is 12231100157. The next prime is 12231100237. The reversal of 12231100232 is 23200113221.

It can be written as a sum of positive squares in 4 ways, for example, as 8106121156 + 4124979076 = 90034^2 + 64226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12231100232.

It is not an unprimeable number, because it can be changed into a prime (12231100237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781508 + ... + 797004.

Almost surely, 2^12231100232 is an apocalyptic number.

It is an amenable number.

12231100232 is an abundant number, since it is smaller than the sum of its proper divisors (12471161968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12231100232 is a wasteful number, since it uses less digits than its factorization.

12231100232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23105 (or 23101 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12231100232 its reverse (23200113221), we get a palindrome (35431213453).

The spelling of 12231100232 in words is "twelve billion, two hundred thirty-one million, one hundred thousand, two hundred thirty-two".