18814745248812 has 72 divisors (see below), whose sum is σ = 48369190942800. Its totient is φ = 6164824487808.

The previous prime is 18814745248807. The next prime is 18814745248843. The reversal of 18814745248812 is 21884254741881.

18814745248812 is a `hidden beast` number, since 1 + 8 + 8 + 14 + 7 + 4 + 524 + 88 + 12 = 666.

It is a super-2 number, since 2×18814745248812² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18814745248812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28794838 + ... + 29440994.

It is an arithmetic number, because the mean of its divisors is an integer number (671794318650).

Almost surely, 2^{18814745248812} is an apocalyptic number.

18814745248812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18814745248812 is an abundant number, since it is smaller than the sum of its proper divisors (29554445693988).

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

18814745248812 is a wasteful number, since it uses less digits than its factorization.

18814745248812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659935 (or 659930 counting only the distinct ones).

The product of its digits is 36700160, while the sum is 63.

The spelling of 18814745248812 in words is "eighteen trillion, eight hundred fourteen billion, seven hundred forty-five million, two hundred forty-eight thousand, eight hundred twelve".