12452378075558 has 32 divisors (see below), whose sum is σ = 20056647375360. Its totient is φ = 5777181397120.

The previous prime is 12452378075477. The next prime is 12452378075581. The reversal of 12452378075558 is 85557087325421.

It is a super-3 number, since 3×12452378075558³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12452378075558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72041585 + ... + 72214227.

It is an arithmetic number, because the mean of its divisors is an integer number (626770230480).

Almost surely, 2^{12452378075558} is an apocalyptic number.

12452378075558 is a deficient number, since it is larger than the sum of its proper divisors (7604269299802).

12452378075558 is a wasteful number, since it uses less digits than its factorization.

12452378075558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202612.

The product of its (nonzero) digits is 94080000, while the sum is 62.

The spelling of 12452378075558 in words is "twelve trillion, four hundred fifty-two billion, three hundred seventy-eight million, seventy-five thousand, five hundred fifty-eight".