12421225263250 has 64 divisors (see below), whose sum is σ = 23696024601600. Its totient is φ = 4874078812800.

The previous prime is 12421225263229. The next prime is 12421225263269. The reversal of 12421225263250 is 5236252212421.

It is a super-4 number, since 4×12421225263250⁴ (a number of 53 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6186214 + ... + 7944286.

It is an arithmetic number, because the mean of its divisors is an integer number (370250384400).

Almost surely, 2^{12421225263250} is an apocalyptic number.

12421225263250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421225263250 is a deficient number, since it is larger than the sum of its proper divisors (11274799338350).

12421225263250 is a wasteful number, since it uses less digits than its factorization.

12421225263250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758628 (or 1758618 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 12421225263250 its reverse (5236252212421), we get a palindrome (17657477475671).

The spelling of 12421225263250 in words is "twelve trillion, four hundred twenty-one billion, two hundred twenty-five million, two hundred sixty-three thousand, two hundred fifty".