187000012 has 12 divisors (see below), whose sum is σ = 331733416. Its totient is φ = 92219040.

The previous prime is 186999997. The next prime is 187000019. The reversal of 187000012 is 210000781.

It is not an unprimeable number, because it can be changed into a prime (187000019) 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 3 ways as a sum of consecutive naturals, for example, 319914 + ... + 320497.

Almost surely, 2^187000012 is an apocalyptic number.

It is an amenable number.

187000012 is a deficient number, since it is larger than the sum of its proper divisors (144733404).

187000012 is a wasteful number, since it uses less digits than its factorization.

187000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640488 (or 640486 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 187000012 is about 13674.7947699408. The cubic root of 187000012 is about 571.8479187192.

Adding to 187000012 its reverse (210000781), we get a palindrome (397000793).

The spelling of 187000012 in words is "one hundred eighty-seven million, twelve", and thus it is an aban number.