12378869326 has 8 divisors (see below), whose sum is σ = 19000125144. Its totient is φ = 6045494280.

The previous prime is 12378869309. The next prime is 12378869333. The reversal of 12378869326 is 62396887321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71970085 + ... + 71970256.

It is an arithmetic number, because the mean of its divisors is an integer number (2375015643).

Almost surely, 2^12378869326 is an apocalyptic number.

12378869326 is a deficient number, since it is larger than the sum of its proper divisors (6621255818).

12378869326 is a wasteful number, since it uses less digits than its factorization.

12378869326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143940386.

The product of its digits is 5225472, while the sum is 55.

The spelling of 12378869326 in words is "twelve billion, three hundred seventy-eight million, eight hundred sixty-nine thousand, three hundred twenty-six".