12668783601 has 32 divisors (see below), whose sum is σ = 17395233408. Its totient is φ = 8198950400.

The previous prime is 12668783593. The next prime is 12668783623. The reversal of 12668783601 is 10638786621.

It is a cyclic number.

It is not a de Polignac number, because 12668783601 - 2³ = 12668783593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12668783651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3443575 + ... + 3447251.

It is an arithmetic number, because the mean of its divisors is an integer number (543601044).

Almost surely, 2^12668783601 is an apocalyptic number.

It is an amenable number.

12668783601 is a deficient number, since it is larger than the sum of its proper divisors (4726449807).

12668783601 is a wasteful number, since it uses less digits than its factorization.

12668783601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 12668783601 in words is "twelve billion, six hundred sixty-eight million, seven hundred eighty-three thousand, six hundred one".