12215647147 has 8 divisors (see below), whose sum is σ = 13329460800. Its totient is φ = 11102383560.

The previous prime is 12215647127. The next prime is 12215647163. The reversal of 12215647147 is 74174651221.

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 12215647147 - 2¹⁹ = 12215122859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12215647127) 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, 90373 + ... + 180550.

It is an arithmetic number, because the mean of its divisors is an integer number (1666182600).

Almost surely, 2^12215647147 is an apocalyptic number.

12215647147 is a deficient number, since it is larger than the sum of its proper divisors (1113813653).

12215647147 is a wasteful number, since it uses less digits than its factorization.

12215647147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275033.

The product of its digits is 94080, while the sum is 40.

The spelling of 12215647147 in words is "twelve billion, two hundred fifteen million, six hundred forty-seven thousand, one hundred forty-seven".