194688012 has 48 divisors (see below), whose sum is σ = 483380352. Its totient is φ = 60775680.

The previous prime is 194688001. The next prime is 194688017. The reversal of 194688012 is 210886491.

It is not an unprimeable number, because it can be changed into a prime (194688017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40783 + ... + 45305.

It is an arithmetic number, because the mean of its divisors is an integer number (10070424).

Almost surely, 2^194688012 is an apocalyptic number.

194688012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194688012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241690176).

194688012 is an abundant number, since it is smaller than the sum of its proper divisors (288692340).

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

194688012 is a wasteful number, since it uses less digits than its factorization.

194688012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758 (or 4756 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 194688012 is about 13953.0646096118. The cubic root of 194688012 is about 579.5795724466.

The spelling of 194688012 in words is "one hundred ninety-four million, six hundred eighty-eight thousand, twelve".