12254211243225 has 48 divisors (see below), whose sum is σ = 25727359911040. Its totient is φ = 5601925137600.

The previous prime is 12254211243221. The next prime is 12254211243233. The reversal of 12254211243225 is 52234211245221.

12254211243225 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 4 + 211 + 2 + 432 + 2 + 5 = 666.

It is not a de Polignac number, because 12254211243225 - 2² = 12254211243221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12254211243225.

It is not an unprimeable number, because it can be changed into a prime (12254211243221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1296737206 + ... + 1296746655.

Almost surely, 2^{12254211243225} is an apocalyptic number.

12254211243225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12254211243225 is an abundant number, since it is smaller than the sum of its proper divisors (13473148667815).

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

12254211243225 is a wasteful number, since it uses less digits than its factorization.

12254211243225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593483887 (or 2593483876 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 12254211243225 its reverse (52234211245221), we get a palindrome (64488422488446).

The spelling of 12254211243225 in words is "twelve trillion, two hundred fifty-four billion, two hundred eleven million, two hundred forty-three thousand, two hundred twenty-five".