12441121232 has 20 divisors (see below), whose sum is σ = 24111047940. Its totient is φ = 6218915328.

The previous prime is 12441121223. The next prime is 12441121361. The reversal of 12441121232 is 23212114421.

It can be written as a sum of positive squares in 2 ways, for example, as 10171932736 + 2269188496 = 100856^2 + 47636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12441121198 and 12441121207.

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, 39257 + ... + 162552.

It is an arithmetic number, because the mean of its divisors is an integer number (1205552397).

Almost surely, 2^12441121232 is an apocalyptic number.

It is an amenable number.

12441121232 is a deficient number, since it is larger than the sum of its proper divisors (11669926708).

12441121232 is a wasteful number, since it uses less digits than its factorization.

12441121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205670 (or 205664 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

Adding to 12441121232 its reverse (23212114421), we get a palindrome (35653235653).

The spelling of 12441121232 in words is "twelve billion, four hundred forty-one million, one hundred twenty-one thousand, two hundred thirty-two".