210012125 has 16 divisors (see below), whose sum is σ = 262569216. Its totient is φ = 167706000.

The previous prime is 210012083. The next prime is 210012151. The reversal of 210012125 is 521210012.

210012125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210012125 - 2⁸ = 210011869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 89720 + ... + 92030.

It is an arithmetic number, because the mean of its divisors is an integer number (16410576).

Almost surely, 2^210012125 is an apocalyptic number.

210012125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210012125 is a deficient number, since it is larger than the sum of its proper divisors (52557091).

210012125 is an equidigital number, since it uses as much as digits as its factorization.

210012125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 210012125 is about 14491.7950923962. The cubic root of 210012125 is about 594.4036347472.

Adding to 210012125 its reverse (521210012), we get a palindrome (731222137).

The spelling of 210012125 in words is "two hundred ten million, twelve thousand, one hundred twenty-five".