12384905291 has 8 divisors (see below), whose sum is σ = 13739803200. Its totient is φ = 11068173640.

The previous prime is 12384905257. The next prime is 12384905293. The reversal of 12384905291 is 19250948321.

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 12384905291 - 2²² = 12380710987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12384905293) 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, 9540881 + ... + 9542178.

It is an arithmetic number, because the mean of its divisors is an integer number (1717475400).

Almost surely, 2^12384905291 is an apocalyptic number.

12384905291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12384905291 is a deficient number, since it is larger than the sum of its proper divisors (1354897909).

12384905291 is a wasteful number, since it uses less digits than its factorization.

12384905291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19083129.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 12384905291 in words is "twelve billion, three hundred eighty-four million, nine hundred five thousand, two hundred ninety-one".