12506425322664 has 128 divisors (see below), whose sum is σ = 38649350880000. Its totient is φ = 3283994271744.

The previous prime is 12506425322653. The next prime is 12506425322693. The reversal of 12506425322664 is 46622352460521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12002889 + ... + 13003160.

It is an arithmetic number, because the mean of its divisors is an integer number (301948053750).

Almost surely, 2^{12506425322664} is an apocalyptic number.

12506425322664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12506425322664 is an abundant number, since it is smaller than the sum of its proper divisors (26142925557336).

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

12506425322664 is a wasteful number, since it uses less digits than its factorization.

12506425322664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25006307 (or 25006303 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 12506425322664 in words is "twelve trillion, five hundred six billion, four hundred twenty-five million, three hundred twenty-two thousand, six hundred sixty-four".