12964668321 has 8 divisors (see below), whose sum is σ = 18857699424. Its totient is φ = 7857374720.

The previous prime is 12964668289. The next prime is 12964668323. The reversal of 12964668321 is 12386646921.

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 12964668321 - 2⁵ = 12964668289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12964668323) 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, 196434336 + ... + 196434401.

It is an arithmetic number, because the mean of its divisors is an integer number (2357212428).

Almost surely, 2^12964668321 is an apocalyptic number.

12964668321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12964668321 is a deficient number, since it is larger than the sum of its proper divisors (5893031103).

12964668321 is a wasteful number, since it uses less digits than its factorization.

12964668321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392868751.

The product of its digits is 746496, while the sum is 48.

The spelling of 12964668321 in words is "twelve billion, nine hundred sixty-four million, six hundred sixty-eight thousand, three hundred twenty-one".