12511353226 has 8 divisors (see below), whose sum is σ = 18767671524. Its totient is φ = 6255462720.

The previous prime is 12511353221. The next prime is 12511353233. The reversal of 12511353226 is 62235311521.

12511353226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11131305025 + 1380048201 = 105505^2 + 37149^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12511353221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19545 + ... + 159388.

Almost surely, 2^12511353226 is an apocalyptic number.

12511353226 is a deficient number, since it is larger than the sum of its proper divisors (6256318298).

12511353226 is a wasteful number, since it uses less digits than its factorization.

12511353226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213896.

The product of its digits is 10800, while the sum is 31.

Adding to 12511353226 its reverse (62235311521), we get a palindrome (74746664747).

The spelling of 12511353226 in words is "twelve billion, five hundred eleven million, three hundred fifty-three thousand, two hundred twenty-six".