201012217910 has 32 divisors (see below), whose sum is σ = 427769847360. Its totient is φ = 66541974912.

The previous prime is 201012217909. The next prime is 201012217937. The reversal of 201012217910 is 19712210102.

It is a self number, because there is not a number n which added to its sum of digits gives 201012217910.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49508369 + ... + 49512428.

It is an arithmetic number, because the mean of its divisors is an integer number (13367807730).

Almost surely, 2^201012217910 is an apocalyptic number.

201012217910 is an abundant number, since it is smaller than the sum of its proper divisors (226757629450).

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

201012217910 is a wasteful number, since it uses less digits than its factorization.

201012217910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99020840.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 201012217910 in words is "two hundred one billion, twelve million, two hundred seventeen thousand, nine hundred ten".