12223296257 has 8 divisors (see below), whose sum is σ = 12529256040. Its totient is φ = 11917709440.

The previous prime is 12223296199. The next prime is 12223296271. The reversal of 12223296257 is 75269232221.

It can be written as a sum of positive squares in 4 ways, for example, as 2311301776 + 9911994481 = 48076^2 + 99559^2 .

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

It is not a de Polignac number, because 12223296257 - 2¹² = 12223292161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223296287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26282 + ... + 158547.

It is an arithmetic number, because the mean of its divisors is an integer number (1566157005).

Almost surely, 2^12223296257 is an apocalyptic number.

It is an amenable number.

12223296257 is a deficient number, since it is larger than the sum of its proper divisors (305959783).

12223296257 is a wasteful number, since it uses less digits than its factorization.

12223296257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186483.

The product of its digits is 181440, while the sum is 41.

The spelling of 12223296257 in words is "twelve billion, two hundred twenty-three million, two hundred ninety-six thousand, two hundred fifty-seven".