12321124417 has 8 divisors (see below), whose sum is σ = 14144431616. Its totient is φ = 10513603872.

The previous prime is 12321124399. The next prime is 12321124429. The reversal of 12321124417 is 71442112321.

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-12321124417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12321124117) 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, 3944988 + ... + 3948109.

It is an arithmetic number, because the mean of its divisors is an integer number (1768053952).

Almost surely, 2^12321124417 is an apocalyptic number.

It is an amenable number.

12321124417 is a deficient number, since it is larger than the sum of its proper divisors (1823307199).

12321124417 is an equidigital number, since it uses as much as digits as its factorization.

12321124417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893327.

The product of its digits is 2688, while the sum is 28.

Adding to 12321124417 its reverse (71442112321), we get a palindrome (83763236738).

The spelling of 12321124417 in words is "twelve billion, three hundred twenty-one million, one hundred twenty-four thousand, four hundred seventeen".