12909012053828 has 12 divisors (see below), whose sum is σ = 24644477557392. Its totient is φ = 5867732751720.

The previous prime is 12909012053813. The next prime is 12909012053831. The reversal of 12909012053828 is 82835021090921.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146693318750 + ... + 146693318837.

It is an arithmetic number, because the mean of its divisors is an integer number (2053706463116).

Almost surely, 2^{12909012053828} is an apocalyptic number.

It is an amenable number.

12909012053828 is a deficient number, since it is larger than the sum of its proper divisors (11735465503564).

12909012053828 is a wasteful number, since it uses less digits than its factorization.

12909012053828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293386637602 (or 293386637600 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 12909012053828 in words is "twelve trillion, nine hundred nine billion, twelve million, fifty-three thousand, eight hundred twenty-eight".