201201000018 has 32 divisors (see below), whose sum is σ = 422715888000. Its totient is φ = 63720493056.

The previous prime is 201201000017. The next prime is 201201000037. The reversal of 201201000018 is 810000102102.

201201000018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201200999970 and 201201000006.

It is not an unprimeable number, because it can be changed into a prime (201201000017) 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 15 ways as a sum of consecutive naturals, for example, 4871983 + ... + 4913106.

It is an arithmetic number, because the mean of its divisors is an integer number (13209871500).

Almost surely, 2^201201000018 is an apocalyptic number.

201201000018 is an abundant number, since it is smaller than the sum of its proper divisors (221514887982).

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

201201000018 is a wasteful number, since it uses less digits than its factorization.

201201000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785266.

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

The spelling of 201201000018 in words is "two hundred one billion, two hundred one million, eighteen", and thus it is an aban number.