12064820867 has 8 divisors (see below), whose sum is σ = 13733867520. Its totient is φ = 10491148360.

The previous prime is 12064820863. The next prime is 12064820879. The reversal of 12064820867 is 76802846021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12064820867 - 2² = 12064820863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12064820861) 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, 23843267 + ... + 23843772.

It is an arithmetic number, because the mean of its divisors is an integer number (1716733440).

Almost surely, 2^12064820867 is an apocalyptic number.

12064820867 is a deficient number, since it is larger than the sum of its proper divisors (1669046653).

12064820867 is a wasteful number, since it uses less digits than its factorization.

12064820867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47687073.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 12064820867 in words is "twelve billion, sixty-four million, eight hundred twenty thousand, eight hundred sixty-seven".