12201031432 has 16 divisors (see below), whose sum is σ = 23022649260. Its totient is φ = 6061658304.

The previous prime is 12201031387. The next prime is 12201031439. The reversal of 12201031432 is 23413010221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11619546436 + 581484996 = 107794^2 + 24114^2 .

It is not an unprimeable number, because it can be changed into a prime (12201031439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4855843 + ... + 4858354.

Almost surely, 2^12201031432 is an apocalyptic number.

It is an amenable number.

12201031432 is a deficient number, since it is larger than the sum of its proper divisors (10821617828).

12201031432 is a wasteful number, since it uses less digits than its factorization.

12201031432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714360 (or 9714356 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12201031432 its reverse (23413010221), we get a palindrome (35614041653).

The spelling of 12201031432 in words is "twelve billion, two hundred one million, thirty-one thousand, four hundred thirty-two".