12658881646068 has 48 divisors (see below), whose sum is σ = 33785125417344. Its totient is φ = 3613811788800.

The previous prime is 12658881646063. The next prime is 12658881646111. The reversal of 12658881646068 is 86064618885621.

It is a junction number, because it is equal to n+sod(n) for n = 12658881645993 and 12658881646011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12658881646063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62638905 + ... + 62840672.

It is an arithmetic number, because the mean of its divisors is an integer number (703856779528).

Almost surely, 2^{12658881646068} is an apocalyptic number.

It is an amenable number.

12658881646068 is an abundant number, since it is smaller than the sum of its proper divisors (21126243771276).

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

12658881646068 is a wasteful number, since it uses less digits than its factorization.

12658881646068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125480792 (or 125480790 counting only the distinct ones).

The product of its (nonzero) digits is 212336640, while the sum is 69.

The spelling of 12658881646068 in words is "twelve trillion, six hundred fifty-eight billion, eight hundred eighty-one million, six hundred forty-six thousand, sixty-eight".