12279276709 has 8 divisors (see below), whose sum is σ = 14135894208. Its totient is φ = 10448268000.

The previous prime is 12279276707. The next prime is 12279276721. The reversal of 12279276709 is 90767297221.

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 12279276709 - 2¹ = 12279276707 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 (12279276703) 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, 6401167 + ... + 6403084.

It is an arithmetic number, because the mean of its divisors is an integer number (1766986776).

Almost surely, 2^12279276709 is an apocalyptic number.

It is an amenable number.

12279276709 is a deficient number, since it is larger than the sum of its proper divisors (1856617499).

12279276709 is a wasteful number, since it uses less digits than its factorization.

12279276709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804395.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 12279276709 in words is "twelve billion, two hundred seventy-nine million, two hundred seventy-six thousand, seven hundred nine".