12642666024828 has 96 divisors (see below), whose sum is σ = 33743121076224. Its totient is φ = 3609047490048.

The previous prime is 12642666024749. The next prime is 12642666024881. The reversal of 12642666024828 is 82842066624621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 590574901 + ... + 590596307.

It is an arithmetic number, because the mean of its divisors is an integer number (351490844544).

Almost surely, 2^{12642666024828} is an apocalyptic number.

It is an amenable number.

12642666024828 is an abundant number, since it is smaller than the sum of its proper divisors (21100455051396).

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

12642666024828 is a wasteful number, since it uses less digits than its factorization.

12642666024828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27211 (or 27209 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 57.

The spelling of 12642666024828 in words is "twelve trillion, six hundred forty-two billion, six hundred sixty-six million, twenty-four thousand, eight hundred twenty-eight".