12068675521 has 8 divisors (see below), whose sum is σ = 13926683264. Its totient is φ = 10244145600.

The previous prime is 12068675519. The next prime is 12068675543. The reversal of 12068675521 is 12557686021.

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 12068675521 - 2¹ = 12068675519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12068675221) 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, 8368680 + ... + 8370121.

It is an arithmetic number, because the mean of its divisors is an integer number (1740835408).

Almost surely, 2^12068675521 is an apocalyptic number.

It is an amenable number.

12068675521 is a deficient number, since it is larger than the sum of its proper divisors (1858007743).

12068675521 is a wasteful number, since it uses less digits than its factorization.

12068675521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16738911.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 12068675521 in words is "twelve billion, sixty-eight million, six hundred seventy-five thousand, five hundred twenty-one".