12454299774225 has 81 divisors (see below), whose sum is σ = 22471982900913. Its totient is φ = 6593535650880.

The previous prime is 12454299774211. The next prime is 12454299774227. The reversal of 12454299774225 is 52247799245421.

The square root of 12454299774225 is 3529065.

It is a perfect power (a square), and thus also a powerful number.

12454299774225 is a `hidden beast` number, since 1 + 2 + 4 + 54 + 2 + 99 + 77 + 422 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3717025905681 + 8737273868544 = 1927959^2 + 2955888^2 .

It is not a de Polignac number, because 12454299774225 - 2⁵ = 12454299774193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12454299774227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 7887459486 + ... + 7887461064.

Almost surely, 2^{12454299774225} is an apocalyptic number.

12454299774225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12454299774225 is the 3529065-th square number.

12454299774225 is the 1764533-rd centered octagonal number.

It is an amenable number.

12454299774225 is a deficient number, since it is larger than the sum of its proper divisors (10017683126688).

12454299774225 is an frugal number, since it uses more digits than its factorization.

12454299774225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472 (or 1736 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 63.

The spelling of 12454299774225 in words is "twelve trillion, four hundred fifty-four billion, two hundred ninety-nine million, seven hundred seventy-four thousand, two hundred twenty-five".