12104957512658 has 16 divisors (see below), whose sum is σ = 20237390269920. Its totient is φ = 5396637404736.

The previous prime is 12104957512633. The next prime is 12104957512699. The reversal of 12104957512658 is 85621575940121.

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, 9369161516 + ... + 9369162807.

It is an arithmetic number, because the mean of its divisors is an integer number (1264836891870).

Almost surely, 2^{12104957512658} is an apocalyptic number.

12104957512658 is a deficient number, since it is larger than the sum of its proper divisors (8132432757262).

12104957512658 is a wasteful number, since it uses less digits than its factorization.

12104957512658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18738324361.

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 12104957512658 in words is "twelve trillion, one hundred four billion, nine hundred fifty-seven million, five hundred twelve thousand, six hundred fifty-eight".