12068657447 has 16 divisors (see below), whose sum is σ = 15453307392. Its totient is φ = 9149980320.

The previous prime is 12068657441. The next prime is 12068657467. The reversal of 12068657447 is 74475686021.

It is a cyclic number.

It is not a de Polignac number, because 12068657447 - 2⁶ = 12068657383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12068657395 and 12068657404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12068657441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2115203 + ... + 2120900.

It is an arithmetic number, because the mean of its divisors is an integer number (965831712).

Almost surely, 2^12068657447 is an apocalyptic number.

12068657447 is a deficient number, since it is larger than the sum of its proper divisors (3384649945).

12068657447 is a wasteful number, since it uses less digits than its factorization.

12068657447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236158.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 12068657447 in words is "twelve billion, sixty-eight million, six hundred fifty-seven thousand, four hundred forty-seven".