12440513225250 has 192 divisors, whose sum is σ = 37478048205312. Its totient is φ = 2951714016000.

The previous prime is 12440513225243. The next prime is 12440513225263. The reversal of 12440513225250 is 5252231504421.

12440513225250 is a `hidden beast` number, since 1 + 2 + 4 + 40 + 513 + 2 + 2 + 52 + 50 = 666.

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 95 ways as a sum of consecutive naturals, for example, 4184059 + ... + 6510558.

It is an arithmetic number, because the mean of its divisors is an integer number (195198167736).

Almost surely, 2^{12440513225250} is an apocalyptic number.

12440513225250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12440513225250 is an abundant number, since it is smaller than the sum of its proper divisors (25037534980062).

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

12440513225250 is a wasteful number, since it uses less digits than its factorization.

12440513225250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694698 (or 10694685 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 12440513225250 its reverse (5252231504421), we get a palindrome (17692744729671).

The spelling of 12440513225250 in words is "twelve trillion, four hundred forty billion, five hundred thirteen million, two hundred twenty-five thousand, two hundred fifty".