194308012 has 6 divisors (see below), whose sum is σ = 340039028. Its totient is φ = 97154004.

The previous prime is 194307991. The next prime is 194308019. The reversal of 194308012 is 210803491.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (194308019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24288498 + ... + 24288505.

Almost surely, 2^194308012 is an apocalyptic number.

It is an amenable number.

194308012 is a deficient number, since it is larger than the sum of its proper divisors (145731016).

194308012 is a wasteful number, since it uses less digits than its factorization.

194308012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48577007 (or 48577005 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 194308012 is about 13939.4408783136. The cubic root of 194308012 is about 579.2022444982.

The spelling of 194308012 in words is "one hundred ninety-four million, three hundred eight thousand, twelve".