12050013578658 has 64 divisors (see below), whose sum is σ = 27678980897280. Its totient is φ = 3458795472000.

The previous prime is 12050013578653. The next prime is 12050013578693. The reversal of 12050013578658 is 85687531005021.

It is a self number, because there is not a number n which added to its sum of digits gives 12050013578658.

It is not an unprimeable number, because it can be changed into a prime (12050013578653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7344766 + ... + 8834342.

It is an arithmetic number, because the mean of its divisors is an integer number (432484076520).

Almost surely, 2^{12050013578658} is an apocalyptic number.

12050013578658 is an abundant number, since it is smaller than the sum of its proper divisors (15628967318622).

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

12050013578658 is a wasteful number, since it uses less digits than its factorization.

12050013578658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496063.

The product of its (nonzero) digits is 2016000, while the sum is 51.

The spelling of 12050013578658 in words is "twelve trillion, fifty billion, thirteen million, five hundred seventy-eight thousand, six hundred fifty-eight".