12445553226 has 16 divisors (see below), whose sum is σ = 24999804000. Its totient is φ = 4130401488.

The previous prime is 12445553221. The next prime is 12445553233. The reversal of 12445553226 is 62235554421.

It is not an unprimeable number, because it can be changed into a prime (12445553221) 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, 4527576 + ... + 4530323.

It is an arithmetic number, because the mean of its divisors is an integer number (1562487750).

Almost surely, 2^12445553226 is an apocalyptic number.

12445553226 is an abundant number, since it is smaller than the sum of its proper divisors (12554250774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12445553226 is a wasteful number, since it uses less digits than its factorization.

12445553226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9058133.

The product of its digits is 288000, while the sum is 39.

The spelling of 12445553226 in words is "twelve billion, four hundred forty-five million, five hundred fifty-three thousand, two hundred twenty-six".