201212010210018 has 16 divisors (see below), whose sum is σ = 402429775846176. Its totient is φ = 67069710832320.

The previous prime is 201212010210017. The next prime is 201212010210059. The reversal of 201212010210018 is 810012010212102.

It is a junction number, because it is equal to n+sod(n) for n = 201212010209976 and 201212010210003.

It is not an unprimeable number, because it can be changed into a prime (201212010210017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239354871 + ... + 240194042.

It is an arithmetic number, because the mean of its divisors is an integer number (25151860990386).

Almost surely, 2^{201212010210018} is an apocalyptic number.

201212010210018 is an abundant number, since it is smaller than the sum of its proper divisors (201217765636158).

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

201212010210018 is a wasteful number, since it uses less digits than its factorization.

201212010210018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479618849.

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 201212010210018 in words is "two hundred one trillion, two hundred twelve billion, ten million, two hundred ten thousand, eighteen".