12279342791 has 8 divisors (see below), whose sum is σ = 12579096960. Its totient is φ = 11983014648.

The previous prime is 12279342769. The next prime is 12279342793. The reversal of 12279342791 is 19724397221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12279342791 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 (12279342793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849251 + ... + 863588.

It is an arithmetic number, because the mean of its divisors is an integer number (1572387120).

Almost surely, 2^12279342791 is an apocalyptic number.

12279342791 is a deficient number, since it is larger than the sum of its proper divisors (299754169).

12279342791 is a wasteful number, since it uses less digits than its factorization.

12279342791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713013.

The product of its digits is 381024, while the sum is 47.

The spelling of 12279342791 in words is "twelve billion, two hundred seventy-nine million, three hundred forty-two thousand, seven hundred ninety-one".