12452241251 has 4 divisors (see below), whose sum is σ = 12452840400. Its totient is φ = 12451642104.

The previous prime is 12452241211. The next prime is 12452241349. The reversal of 12452241251 is 15214225421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15214225421 = 53 ⋅287060857.

It is a cyclic number.

It is not a de Polignac number, because 12452241251 - 2⁶ = 12452241187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12452241211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 267236 + ... + 310353.

It is an arithmetic number, because the mean of its divisors is an integer number (3113210100).

Almost surely, 2^12452241251 is an apocalyptic number.

12452241251 is a deficient number, since it is larger than the sum of its proper divisors (599149).

12452241251 is an equidigital number, since it uses as much as digits as its factorization.

12452241251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599148.

The product of its digits is 6400, while the sum is 29.

Adding to 12452241251 its reverse (15214225421), we get a palindrome (27666466672).

The spelling of 12452241251 in words is "twelve billion, four hundred fifty-two million, two hundred forty-one thousand, two hundred fifty-one".