210102012112018 has 16 divisors (see below), whose sum is σ = 350343801835776. Its totient is φ = 93842089776720.

The previous prime is 210102012111983. The next prime is 210102012112019. The reversal of 210102012112018 is 810211210201012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 210102012112018.

It is not an unprimeable number, because it can be changed into a prime (210102012112019) 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, 130336234996 + ... + 130336236607.

It is an arithmetic number, because the mean of its divisors is an integer number (21896487614736).

Almost surely, 2^{210102012112018} is an apocalyptic number.

210102012112018 is a deficient number, since it is larger than the sum of its proper divisors (140241789723758).

210102012112018 is a wasteful number, since it uses less digits than its factorization.

210102012112018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260672471649.

The product of its (nonzero) digits is 128, while the sum is 22.

The spelling of 210102012112018 in words is "two hundred ten trillion, one hundred two billion, twelve million, one hundred twelve thousand, eighteen".