12225453252 has 24 divisors (see below), whose sum is σ = 30027429600. Its totient is φ = 3860669376.

The previous prime is 12225453209. The next prime is 12225453283. The reversal of 12225453252 is 25235452221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26809977 + ... + 26810432.

It is an arithmetic number, because the mean of its divisors is an integer number (1251142900).

Almost surely, 2^12225453252 is an apocalyptic number.

12225453252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12225453252 is an abundant number, since it is smaller than the sum of its proper divisors (17801976348).

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

12225453252 is a wasteful number, since it uses less digits than its factorization.

12225453252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53620435 (or 53620433 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The spelling of 12225453252 in words is "twelve billion, two hundred twenty-five million, four hundred fifty-three thousand, two hundred fifty-two".