12625138068 has 48 divisors (see below), whose sum is σ = 29766696960. Its totient is φ = 4164434784.

The previous prime is 12625138049. The next prime is 12625138079. The reversal of 12625138068 is 86083152621.

It is a super-2 number, since 2×12625138068² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2171221 + ... + 2177027.

It is an arithmetic number, because the mean of its divisors is an integer number (620139520).

Almost surely, 2^12625138068 is an apocalyptic number.

It is an amenable number.

12625138068 is an abundant number, since it is smaller than the sum of its proper divisors (17141558892).

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

12625138068 is a wasteful number, since it uses less digits than its factorization.

12625138068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676 (or 7674 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 12625138068 in words is "twelve billion, six hundred twenty-five million, one hundred thirty-eight thousand, sixty-eight".