12124004309 has 8 divisors (see below), whose sum is σ = 12355818552. Its totient is φ = 11893256640.

The previous prime is 12124004287. The next prime is 12124004339. The reversal of 12124004309 is 90340042121.

It can be written as a sum of positive squares in 4 ways, for example, as 6838225 + 12117166084 = 2615^2 + 110078^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12124004309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124004339) 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, 243674 + ... + 289179.

It is an arithmetic number, because the mean of its divisors is an integer number (1544477319).

Almost surely, 2^12124004309 is an apocalyptic number.

It is an amenable number.

12124004309 is a deficient number, since it is larger than the sum of its proper divisors (231814243).

12124004309 is an equidigital number, since it uses as much as digits as its factorization.

12124004309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533287.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 12124004309 in words is "twelve billion, one hundred twenty-four million, four thousand, three hundred nine".