210012018 has 16 divisors (see below), whose sum is σ = 421031520. Its totient is φ = 69836096.

The previous prime is 210012013. The next prime is 210012029. The reversal of 210012018 is 810210012.

It is a junction number, because it is equal to n+sod(n) for n = 210011988 and 210012006.

It is not an unprimeable number, because it can be changed into a prime (210012013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39255 + ... + 44282.

It is an arithmetic number, because the mean of its divisors is an integer number (26314470).

Almost surely, 2^210012018 is an apocalyptic number.

210012018 is an abundant number, since it is smaller than the sum of its proper divisors (211019502).

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

210012018 is a wasteful number, since it uses less digits than its factorization.

210012018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83961.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 210012018 is about 14491.7914006516. The cubic root of 210012018 is about 594.4035337988.

The spelling of 210012018 in words is "two hundred ten million, twelve thousand, eighteen".