12235231044 has 36 divisors (see below), whose sum is σ = 31010895916. Its totient is φ = 4067471808.

The previous prime is 12235231039. The next prime is 12235231049. The reversal of 12235231044 is 44013253221.

12235231044 is a `hidden beast` number, since 12 + 23 + 523 + 104 + 4 = 666.

12235231044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12235231039) and next prime (12235231049).

It can be written as a sum of positive squares in 2 ways, for example, as 8811576900 + 3423654144 = 93870^2 + 58512^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12235231044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12235230999 and 12235231017.

It is not an unprimeable number, because it can be changed into a prime (12235231049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442159 + ... + 469014.

Almost surely, 2^12235231044 is an apocalyptic number.

It is an amenable number.

12235231044 is an abundant number, since it is smaller than the sum of its proper divisors (18775664872).

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

12235231044 is a wasteful number, since it uses less digits than its factorization.

12235231044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911556 (or 911551 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12235231044 its reverse (44013253221), we get a palindrome (56248484265).

The spelling of 12235231044 in words is "twelve billion, two hundred thirty-five million, two hundred thirty-one thousand, forty-four".