12625013216 has 12 divisors (see below), whose sum is σ = 24855494832. Its totient is φ = 6312506592.

The previous prime is 12625013189. The next prime is 12625013249. The reversal of 12625013216 is 61231052621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197265800 + ... + 197265863.

It is an arithmetic number, because the mean of its divisors is an integer number (2071291236).

Almost surely, 2^12625013216 is an apocalyptic number.

12625013216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12625013216 is a deficient number, since it is larger than the sum of its proper divisors (12230481616).

12625013216 is an equidigital number, since it uses as much as digits as its factorization.

12625013216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394531673 (or 394531665 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 12625013216 its reverse (61231052621), we get a palindrome (73856065837).

The spelling of 12625013216 in words is "twelve billion, six hundred twenty-five million, thirteen thousand, two hundred sixteen".