12223503971 has 8 divisors (see below), whose sum is σ = 14198731104. Its totient is φ = 10305529920.

The previous prime is 12223503953. The next prime is 12223503977. The reversal of 12223503971 is 17930532221.

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

It is not a de Polignac number, because 12223503971 - 2³⁰ = 11149762147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223503977) 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 7 ways as a sum of consecutive naturals, for example, 14312810 + ... + 14313663.

It is an arithmetic number, because the mean of its divisors is an integer number (1774841388).

Almost surely, 2^12223503971 is an apocalyptic number.

12223503971 is a deficient number, since it is larger than the sum of its proper divisors (1975227133).

12223503971 is an equidigital number, since it uses as much as digits as its factorization.

12223503971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28626541.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 12223503971 in words is "twelve billion, two hundred twenty-three million, five hundred three thousand, nine hundred seventy-one".