12409244032 has 32 divisors (see below), whose sum is σ = 24749763480. Its totient is φ = 6197538816.

The previous prime is 12409244021. The next prime is 12409244039. The reversal of 12409244032 is 23044290421.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 12409243985 and 12409244003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12409244039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58128 + ... + 167920.

Almost surely, 2^12409244032 is an apocalyptic number.

It is an amenable number.

12409244032 is a deficient number, since it is larger than the sum of its proper divisors (12340519448).

12409244032 is an equidigital number, since it uses as much as digits as its factorization.

12409244032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110690 (or 110678 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 12409244032 in words is "twelve billion, four hundred nine million, two hundred forty-four thousand, thirty-two".