12254121441 has 24 divisors (see below), whose sum is σ = 18846341280. Its totient is φ = 7645888896.

The previous prime is 12254121431. The next prime is 12254121469. The reversal of 12254121441 is 14412145221.

It is not a de Polignac number, because 12254121441 - 2⁶ = 12254121377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12254121431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196335 + ... + 251108.

It is an arithmetic number, because the mean of its divisors is an integer number (785264220).

Almost surely, 2^12254121441 is an apocalyptic number.

It is an amenable number.

12254121441 is a deficient number, since it is larger than the sum of its proper divisors (6592219839).

12254121441 is a wasteful number, since it uses less digits than its factorization.

12254121441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447645 (or 447642 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

Adding to 12254121441 its reverse (14412145221), we get a palindrome (26666266662).

The spelling of 12254121441 in words is "twelve billion, two hundred fifty-four million, one hundred twenty-one thousand, four hundred forty-one".