194485788012 has 48 divisors (see below), whose sum is σ = 455419192032. Its totient is φ = 64597478400.

The previous prime is 194485787999. The next prime is 194485788031. The reversal of 194485788012 is 210887584491.

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 15 ways as a sum of consecutive naturals, for example, 10645878 + ... + 10664130.

It is an arithmetic number, because the mean of its divisors is an integer number (9487899834).

Almost surely, 2^194485788012 is an apocalyptic number.

194485788012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194485788012 is an abundant number, since it is smaller than the sum of its proper divisors (260933404020).

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

194485788012 is a wasteful number, since it uses less digits than its factorization.

194485788012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21378 (or 21376 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 57.

The spelling of 194485788012 in words is "one hundred ninety-four billion, four hundred eighty-five million, seven hundred eighty-eight thousand, twelve".