12001568405 has 8 divisors (see below), whose sum is σ = 15159876000. Its totient is φ = 9095925456.

The previous prime is 12001568401. The next prime is 12001568407. The reversal of 12001568405 is 50486510021.

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 12001568405 - 2² = 12001568401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001568401) 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, 63166055 + ... + 63166244.

It is an arithmetic number, because the mean of its divisors is an integer number (1894984500).

Almost surely, 2^12001568405 is an apocalyptic number.

It is an amenable number.

12001568405 is a deficient number, since it is larger than the sum of its proper divisors (3158307595).

12001568405 is a wasteful number, since it uses less digits than its factorization.

12001568405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126332323.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 12001568405 in words is "twelve billion, one million, five hundred sixty-eight thousand, four hundred five".