187500012 has 48 divisors (see below), whose sum is σ = 502048512. Its totient is φ = 53352000.

The previous prime is 187500007. The next prime is 187500029. The reversal of 187500012 is 210005781.

187500012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16638 + ... + 25530.

It is an arithmetic number, because the mean of its divisors is an integer number (10459344).

Almost surely, 2^187500012 is an apocalyptic number.

187500012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

187500012 is an abundant number, since it is smaller than the sum of its proper divisors (314548500).

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

187500012 is a wasteful number, since it uses less digits than its factorization.

187500012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158 (or 9156 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 187500012 is about 13693.0643758072. The cubic root of 187500012 is about 572.3571334870.

Adding to 187500012 its reverse (210005781), we get a palindrome (397505793).

The spelling of 187500012 in words is "one hundred eighty-seven million, five hundred thousand, twelve".