12284556225 has 24 divisors (see below), whose sum is σ = 20315982432. Its totient is φ = 6549984000.

The previous prime is 12284556211. The next prime is 12284556241. The reversal of 12284556225 is 52265548221.

It is a happy number.

It is not a de Polignac number, because 12284556225 - 2¹⁵ = 12284523457 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 283609 + ... + 324041.

It is an arithmetic number, because the mean of its divisors is an integer number (846499268).

Almost surely, 2^12284556225 is an apocalyptic number.

12284556225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12284556225 is a deficient number, since it is larger than the sum of its proper divisors (8031426207).

12284556225 is a wasteful number, since it uses less digits than its factorization.

12284556225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44497 (or 44492 counting only the distinct ones).

The product of its digits is 384000, while the sum is 42.

The spelling of 12284556225 in words is "twelve billion, two hundred eighty-four million, five hundred fifty-six thousand, two hundred twenty-five".