12124181417 has 8 divisors (see below), whose sum is σ = 12251651496. Its totient is φ = 11996762112.

The previous prime is 12124181413. The next prime is 12124181471. The reversal of 12124181417 is 71418142121.

It can be written as a sum of positive squares in 4 ways, for example, as 146192281 + 11977989136 = 12091^2 + 109444^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12124181417 - 2² = 12124181413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124181413) 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, 644213 + ... + 662765.

It is an arithmetic number, because the mean of its divisors is an integer number (1531456437).

Almost surely, 2^12124181417 is an apocalyptic number.

It is an amenable number.

12124181417 is a deficient number, since it is larger than the sum of its proper divisors (127470079).

12124181417 is an equidigital number, since it uses as much as digits as its factorization.

12124181417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25387.

The product of its digits is 3584, while the sum is 32.

The spelling of 12124181417 in words is "twelve billion, one hundred twenty-four million, one hundred eighty-one thousand, four hundred seventeen".