12838829020658 has 16 divisors (see below), whose sum is σ = 19523570468640. Its totient is φ = 6330985850016.

The previous prime is 12838829020579. The next prime is 12838829020709. The reversal of 12838829020658 is 85602092883821.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12838829020658.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522148 + ... + 5290991.

It is an arithmetic number, because the mean of its divisors is an integer number (1220223154290).

Almost surely, 2^{12838829020658} is an apocalyptic number.

12838829020658 is a deficient number, since it is larger than the sum of its proper divisors (6684741447982).

12838829020658 is a wasteful number, since it uses less digits than its factorization.

12838829020658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826121.

The product of its (nonzero) digits is 26542080, while the sum is 62.

The spelling of 12838829020658 in words is "twelve trillion, eight hundred thirty-eight billion, eight hundred twenty-nine million, twenty thousand, six hundred fifty-eight".