12078869349 has 8 divisors (see below), whose sum is σ = 16137436000. Its totient is φ = 8036441136.

The previous prime is 12078869347. The next prime is 12078869371. The reversal of 12078869349 is 94396887021.

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

It is not a de Polignac number, because 12078869349 - 2¹ = 12078869347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12078869347) 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, 4032862 + ... + 4035855.

It is an arithmetic number, because the mean of its divisors is an integer number (2017179500).

Almost surely, 2^12078869349 is an apocalyptic number.

It is an amenable number.

12078869349 is a deficient number, since it is larger than the sum of its proper divisors (4058566651).

12078869349 is an equidigital number, since it uses as much as digits as its factorization.

12078869349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069219.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 12078869349 in words is "twelve billion, seventy-eight million, eight hundred sixty-nine thousand, three hundred forty-nine".