12225580347 has 4 divisors (see below), whose sum is σ = 16300773800. Its totient is φ = 8150386896.

The previous prime is 12225580337. The next prime is 12225580387. The reversal of 12225580347 is 74308552221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74308552221 = 3 ⋅24769517407.

It is not a de Polignac number, because 12225580347 - 2³² = 7930613051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12225580327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037596722 + ... + 2037596727.

It is an arithmetic number, because the mean of its divisors is an integer number (4075193450).

Almost surely, 2^12225580347 is an apocalyptic number.

12225580347 is a deficient number, since it is larger than the sum of its proper divisors (4075193453).

12225580347 is an equidigital number, since it uses as much as digits as its factorization.

12225580347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075193452.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 12225580347 in words is "twelve billion, two hundred twenty-five million, five hundred eighty thousand, three hundred forty-seven".